pacify – To bring into a peaceful state.
packet – A bundle, as of letters.
pact – A covenant.
pagan – A worshiper of false gods.
pageant – A dramatic representation, especially a spectacular one.
palate – The roof of the mouth.
palatial – Magnificent.
paleontology – The branch of biology that treats of ancient life and fossil organisms.
palette – A thin tablet, with a hole for the thumb, upon which artists lay their colors for painting.
palinode – A retraction.
pall – To make dull by satiety.
palliate – To cause to appear less guilty.
pallid – Of a pale or wan appearance.
palpable – perceptible by feeling or touch.
palsy – Paralysis.
paly – Lacking color or brilliancy.
pamphlet – A brief treatise or essay, usually on a subject of current interest.
pamphleteer – To compose or issue pamphlets, especially controversial ones.
panacea – A remedy or medicine proposed for or professing to cure all diseases.
Pan-American – Including or pertaining to the whole of America, both North and South.
pandemic – Affecting a whole people or all classes, as a disease.
pandemonium – A fiendish or riotous uproar.
panegyric – A formal and elaborate eulogy, written or spoken, of a person or of an act.
panel – A rectangular piece set in or as in a frame.
panic – A sudden, unreasonable, overpowering fear.
panoply – A full set of armor.
panorama – A series of large pictures representing a continuous scene.
pantheism – The worship of nature for itself or its beauty.
Pantheon – A circular temple at Rome with a fine Corinthian portico and a great domed roof.
pantomime – Sign-language.
pantoscope – A very wide-angled photographic lens.
papacy – The official head of the Roman Catholic Church.
papyrus – The writing-paper of the ancient Egyptians, and later of the Romans.
parable – A brief narrative founded on real scenes or events usually with a moral.
paradox – A statement or doctrine seemingly in contradiction to the received belief.
paragon – A model of excellence.
parallel – To cause to correspond or lie in the same direction and equidistant in all parts.
parallelism – Essential likeness.
paralysis – Loss of the power of contractility in the voluntary or involuntary muscles.
paralyze – To deprive of the power to act.
paramount – Supreme in authority.
paramour – One who is unlawfully and immorally a lover or a mistress.
paraphernalia – Miscellaneous articles of equipment or adornment.
paraphrase – Translate freely.
pare – To cut, shave, or remove (the outside) from anything.
parentage – The relation of parent to child, of the producer to the produced, or of cause to effect.
Pariah – A member of a degraded class; a social outcast.
parish – The ecclesiastical district in charge of a pastor.
Parisian – Of or pertaining to the city of Paris.
parity – Equality, as of condition or rank.
parlance – Mode of speech.
parley – To converse in.
parliament – A legislative body.
parlor – A room for reception of callers or entertainment of guests.
parody – To render ludicrous by imitating the language of.
paronymous – Derived from the same root or primitive word.
paroxysm – A sudden outburst of any kind of activity.
parricide – The murder of a parent.
parse – To describe, as a sentence, by separating it into its elements and describing each word.
parsimonious – Unduly sparing in the use or expenditure of money.
partible – Separable.
participant – One having a share or part.
participate – To receive or have a part or share of.
partition – That which separates anything into distinct parts.
partisan – Characterized by or exhibiting undue or unreasoning devotion to a party.
passible – Capable of feeling of suffering.
passive – Unresponsive.
pastoral – Having the spirit or sentiment of rural life.
paternal – Fatherly.
paternity – Fatherhood.
pathos – The quality in any form of representation that rouses emotion or sympathy.
patriarch – The chief of a tribe or race who rules by paternal right.
patrician – Of senatorial or noble rank.
patrimony – An inheritance from an ancestor, especially from one’s father.
patriotism – Love and devotion to one’s country.
patronize – To exercise an arrogant condescension toward.
patronymic – Formed after one’s father’s name.
patter – To mumble something over and over.
paucity – Fewness.
pauper – One without means of support.
pauperism – Dependence on charity.
pavilion – An open structure for temporary shelter.
payee – A person to whom money has been or is to be paid.
peaceable – Tranquil.
peaceful – Tranquil.
peccable – Capable of sinning.
peccadillo – A small breach of propriety or principle.
peccant – Guilty.
pectoral – Pertaining to the breast or thorax.
pecuniary – Consisting of money.
pedagogics – The science and art of teaching.
pedagogue – A schoolmaster.
pedagogy – The science and art of teaching
pedal – A lever for the foot usually applied only to musical instruments, cycles, and other machines.
pedant – A scholar who makes needless and inopportune display of his learning.
peddle – To go about with a small stock of goods to sell.
pedestal – A base or support as for a column, statue, or vase.
pedestrian – One who journeys on foot.
pediatrics – The department of medical science that relates to the treatment of diseases of childhood.
pedigree – One’s line of ancestors.
peddler – One who travels from house to house with an assortment of goods for retail.
peerage – The nobility.
peerless – Of unequaled excellence or worth.
peevish – Petulant. (irritable)
pellucid – Translucent.
penalty – The consequences that follow the transgression of natural or divine law.
penance – Punishment to which one voluntarily submits or subjects himself as an expression of penitence.
penchant – A bias in favor of something.
pendant – Anything that hangs from something else, either for ornament or for use.
pendulous – Hanging, especially so as to swing by an attached end or part.
pendulum – A weight hung on a rod, serving by its oscillation to regulate the rate of a clock.
penetrable – That may be pierced by physical, moral, or intellectual force.
penetrate – To enter or force a way into the interior parts of.
penetration – Discernment.
peninsular – Pertaining to a piece of land almost surrounded by water.
penitence – Sorrow for sin with desire to amend and to atone.
penitential – Pertaining to sorrow for sin with desire to amend and to atone.
pennant – A small flag.
pension – A periodical allowance to an individual on account of past service done by him/her.
pentagram – A figure having five points or lobes.
pentavalent – Quinqeuvalent.
pentad – The number five.
pentagon – A figure, especially, with five angles and five sides.
pentahedron – A solid bounded by five plane faces.
pentameter – In prosody, a line of verse containing five units or feet.
pentathlon – The contest of five associated exercises in the great games and the same contestants.
penultimate – A syllable or member of a series that is last but one.
penurious – Excessively sparing in the use of money.
penury – Indigence.
perambulate – To walk about.
perceive – To have knowledge of, or receive impressions concerning, through the medium of the body senses.
perceptible – Cognizable.
perception – Knowledge through the senses of the existence and properties of matter or the external world.
percipience – The act of perceiving.
percipient – One who or that which perceives.
percolate – To filter.
percolator – A filter.
percussion – The sharp striking of one body against another.
peremptory – Precluding question or appeal.
perennial – Continuing though the year or through many years.
perfectible – Capable of being made perfect.
perfidy – Treachery.
perforate – To make a hole or holes through.
perform – To accomplish.
perfumery – The preparation of perfumes.
perfunctory – Half-hearted.
perhaps – Possibly.
perigee – The point in the orbit of the moon when it is nearest the earth.
periodicity – The habit or characteristic of recurrence at regular intervals.
peripatetic – Walking about.
perjure – To swear falsely to.
perjury – A solemn assertion of a falsity.
permanence – A continuance in the same state, or without any change that destroys the essential form or nature.
permanent – Durable.
permeate – To pervade.
permissible – That may be allowed.
permutation – Reciprocal change, different ordering of same items.
pernicious – Tending to kill or hurt.
perpendicular – Straight up and down.
perpetrator – The doer of a wrong or a criminal act.
perpetuate – To preserve from extinction or oblivion.
perquisite – Any profit from service beyond the amount fixed as salary or wages.
persecution – Harsh or malignant oppression.
perseverance – A persistence in purpose and effort.
persevere – To continue striving in spite of discouragements.
persiflage – Banter.
persist – To continue steadfast against opposition.
persistence – A fixed adherence to a resolve, course of conduct, or the like.
personage – A man or woman as an individual, especially one of rank or high station.
personal – Not general or public.
personality – The attributes, taken collectively, that make up the character and nature of an individual.
personnel – The force of persons collectively employed in some service.
perspective – The relative importance of facts or matters from any special point of view.
perspicacious – Astute.
perspicacity – Acuteness or discernment.
perspicuous – Lucid.
perspiration – Sweat.
perspire – To excrete through the pores of the skin.
persuade – To win the mind of by argument, eloquence, evidence, or reflection.
persuadable – capable of influencing to action by entreaty, statement, or anything that moves the feelings.
pertinacious – Persistent or unyielding.
pertinacity – Unyielding adherence.
pertinent – Relevant.
perturb – To disturb greatly.
perturbation – Mental excitement or confusion.
perusal – The act of reading carefully or thoughtfully.
pervade – To pass or spread through every part.
pervasion – The state of spreading through every part.
pervasive – Thoroughly penetrating or permeating.
perverse – Unreasonable.
perversion – Diversion from the true meaning or proper purpose.
perversity – Wickedness.
pervert – One who has forsaken a doctrine regarded as true for one esteemed false.
pervious – Admitting the entrance or passage of another substance.
pestilence – A raging epidemic.
pestilent – Having a malign influence or effect.
pestilential – having the nature of or breeding pestilence.
peter – To fail or lose power, efficiency, or value.
petrify – To convert into a substance of stony hardness and character.
petulance – The character or condition of being impatient, capricious or petulant.
petulant – Displaying impatience.
pharmacopoeia – A book containing the formulas and methods of preparation of medicines for the use of druggists.
pharmacy – The art or business of compounding and dispensing medicines.
phenomenal – Extraordinary or marvelous.
phenomenon – Any unusual occurrence.
philander – To play at courtship with a woman.
philanthropic – Benevolent.
philanthropist – One who endeavors to help his fellow men.
philanthropy – Active humanitarianism.
philately – The study and collection of stamps.
philharmonic – Fond of music.
philogynist – One who is fond of women.
philologist – An expert in linguistics.
philology – The study of language in connection with history and literature.
philosophize – To seek ultimate causes and principles.
philosophy – The general principles, laws, or causes that furnish the rational explanation of anything.
phlegmatic – Not easily roused to feeling or action.
phonetic – Representing articulate sounds or speech.
phonic – Pertaining to the nature of sound.
phonogram – A graphic character symbolizing an articulate sound.
phonology – The science of human vocal sounds.
phosphorescence – The property of emitting light.
photoelectric – Pertaining to the combined action of light and electricity.
photometer – Any instrument for measuring the intensity of light or comparing the intensity of two lights.
photometry – The art of measuring the intensity of light.
physicist – A specialist in the science that treats of the phenomena associated with matter and energy.
physics – The science that treats of the phenomena associated with matter and energy.
physiocracy – The doctrine that land and its products are the only true wealth.
physiognomy – The external appearance merely.
physiography – Description of nature.
physiology – The science of organic functions.
physique – The physical structure or organization of a person.
picayune – Of small value.
piccolo – A small flute.
piece – A loose or separated part, as distinguished from the whole or the mass.
piecemeal – Gradually.
pillage – Open robbery, as in war.
pillory – A wooden framework in which an offender is fastened to boards and is exposed to public scorn.
pincers – An instrument having two lever-handles and two jaws working on a pivot.
pinchers – An instrument having two jaws working on a pivot.
pinnacle – A high or topmost point, as a mountain-peak.
pioneer – One among the first to explore a country.
pious – Religious.
pique – To excite a slight degree of anger in.
piteous – Compassionate.
pitiable – Contemptible.
pitiful – Wretched.
pitiless – Hard-hearted.
pittance – Any small portion or meager allowance.
placate – To bring from a state of angry or hostile feeling to one of patience or friendliness.
placid – Serene.
plagiarism – The stealing of passages from the writings of another and publishing them as one’s own.
planisphere – A polar projection of the heavens on a chart.
plasticity – The property of some substances through which the form of the mass can readily be changed.
platitude – A written or spoken statement that is flat, dull, or commonplace.
plaudit – An expression of applause.
plausible – Seeming likely to be true, though open to doubt.
playful – Frolicsome.
playwright – A maker of plays for the stage.
plea – An argument to obtain some desired action.
pleasant – Agreeable.
pleasurable – Affording gratification.
plebeian – Common.
pledgee – The person to whom anything is pledged.
pledgeor – One who gives a pledge.
plenary – Entire.
plenipotentiary – A person fully empowered to transact any business.
plenitude – Abundance.
plenteous – Abundant.
plumb – A weight suspended by a line to test the verticality of something.
plummet – A piece of lead for making soundings, adjusting walls to the vertical.
pluperfect – Expressing past time or action prior to some other past time or action.
plural – Containing or consisting of more than one.
plurality – A majority.
plutocracy – A wealthy class in a political community who control the government by means of their money.
pneumatic – Pertaining to or consisting of air or gas.
poesy – Poetry.
poetaster – An inferior poet.
poetic – Pertaining to poetry.
poetics – The rules and principles of poetry.
poignancy – Severity or acuteness, especially of pain or grief.
poignant – Severely painful or acute to the spirit.
poise – Equilibrium.
polar – Pertaining to the poles of a sphere, especially of the earth.
polemics – The art of controversy or disputation.
pollen – The fine dust-like grains or powder formed within the anther of a flowering plant.
pollute – To contaminate.
polyarchy – Government by several or many persons of what- ever class.
polycracy – The rule of many.
polygamy – the fact or condition of having more than one wife or husband at once.
polyglot – Speaking several tongues.
polygon – A figure having many angles.
polyhedron – A solid bounded by plane faces, especially by more than four.
polysyllable – Having several syllables, especially more than three syllables.
polytechnic – Pertaining to, embracing, or practicing many arts.
polytheism – The doctrine or belief that there are more gods than one.
pommel – To beat with something thick or bulky.
pomposity – The quality of being marked by an assumed stateliness and impressiveness of manner.
pompous – Marked by an assumed stateliness and impressiveness of manner.
ponder – To meditate or reflect upon.
ponderous – Unusually weighty or forcible.
pontiff – The Pope.
populace – The common people.
populous – Containing many inhabitants, especially in proportion to the territory.
portend – To indicate as being about to happen, especially by previous signs.
portent – Anything that indicates what is to happen.
portfolio – A portable case for holding writing-materials, drawings, etc.
posit – To present in an orderly manner.
position – The manner in which a thing is placed.
positive – Free from doubt or hesitation.
posse – A force of men.
possess – To own.
possession – The having, holding, or detention of property in one’s power or command.
possessive – Pertaining to the having, holding, or detention of property in one’s power or command.
possessor – One who owns, enjoys, or controls anything, as property.
possible – Being not beyond the reach of power natural, moral, or supernatural.
postdate – To make the date of any writing later than the real date.
posterior – The hinder part.
postgraduate – Pertaining to studies that are pursued after receiving a degree.
postscript – Something added to a letter after the writer’s signature.
potency – Power.
potent – Physically powerful.
potentate – One possessed of great power or sway.
potential – Anything that may be possible.
potion – A dose of liquid medicine.
powerless – Impotent.
practicable – Feasible.
prate – To talk about vainly or foolishly.
prattle – To utter in simple or childish talk.
preamble – A statement introductory to and explanatory of what follows.
precarious – Perilous.
precaution – A provision made in advance for some possible emergency or danger.
precede – To happen first.
precedence – Priority in place, time, or rank.
precedent – An instance that may serve as a guide or basis for a rule.
precedential – Of the nature of an instance that may serve as a guide or basis for a rule.
precession – The act of going forward.
precipice – A high and very steep or approximately vertical cliff.
precipitant – Moving onward quickly and heedlessly.
precipitate – To force forward prematurely.
precise – Exact.
precision – Accuracy of limitation, definition, or adjustment.
preclude – To prevent.
precocious – Having the mental faculties prematurely developed.
precursor – A forerunner or herald.
predatory – Prone to pillaging.
predecessor – An incumbent of a given office previous to another.
predicament – A difficult, trying situation or plight.
predicate – To state as belonging to something.
predict – To foretell.
prediction – A prophecy.
predominance – Ascendancy or preponderance.
predominant – Superior in power, influence, effectiveness, number, or degree.
predominate – To be chief in importance, quantity, or degree.
preeminence – Special eminence.
preempt – To secure the right of preference in the purchase of public land.
preemption – The right or act of purchasing before others.
preengage – To preoccupy.
preestablish – To settle or arrange beforehand.
preexist – To exist at a period or in a state earlier than something else.
preexistence – Existence antecedent to something.
preface – A brief explanation or address to the reader, at the beginning of a book.
prefatory – Pertaining to a brief explanation to the reader at the beginning of a book.
prefer – To hold in higher estimation.
preferable – More desirable than others.
preference – An object of favor or choice.
preferential – Possessing, giving, or constituting preference or priority.
preferment – Preference.
prefix – To attach at the beginning.
prehensible – Capable of being grasped.
prehensile – Adapted for grasping or holding.
prehension – The act of laying hold of or grasping.
prejudice – A judgment or opinion formed without due examination of the facts.
prelacy – A system of church government.
prelate – One of a higher order of clergy having direct authority over other clergy.
prelude – An introductory or opening performance.
premature – Coming too soon.
premier – First in rank or position.
premise – A judgment as a conclusion.
premonition – Foreboding.
preoccupation – The state of having the mind, attention, or inclination preoccupied.
preoccupy – To fill the mind of a person to the exclusion of other subjects.
preordain – To foreordain.
preparation – An act or proceeding designed to bring about some event.
preparatory – Having to do with what is preliminary.
preponderant – Prevalent.
preponderate – To exceed in influence or power.
prepossession – A preconceived liking.
preposterous – Utterly ridiculous or absurd.
prerogative – Having superior rank or precedence.
presage – To foretell.
prescience – Knowledge of events before they take place.
prescient – Foreknowing.
prescript – Prescribed as a rule or model.
prescriptible – Derived from authoritative direction.
prescription – An authoritative direction.
presentient – Perceiving or feeling beforehand.
presentiment – Foreboding.
presentment – Semblance.
preservation – Conservation.
presumption – That which may be logically assumed to be true until disproved.
presumptuous – Assuming too much.
pretension – A bold or presumptuous assertion.
pretentious – Marked by pretense, conceit, or display.
preternatural – Extraordinary.
pretext – A fictitious reason or motive.
prevalence – Frequency.
prevalent – Of wide extent or frequent occurrence.
prevaricate – To use ambiguous or evasive language for the purpose of deceiving or diverting attention.
prevention – Thwarting.
prickle – To puncture slightly with fine, sharp points.
priggish – Conceited.
prim – Stiffly proper.
prima – First.
primer – An elementary reading-book for children.
primeval – Belonging to the first ages.
primitive – Pertaining to the beginning or early times.
principal – Most important.
principality – The territory of a reigning prince.
principle – A general truth or proposition.
priory – A monastic house.
pristine – Primitive.
privateer – A vessel owned and officered by private persons, but carrying on maritime war.
privilege – A right or immunity not enjoyed by all, or that may be enjoyed only under special conditions.
privity – Knowledge shared with another or others regarding a private matter.
privy – Participating with another or others in the knowledge of a secret transaction.
probate – Relating to making proof, as of a will.
probation – Any proceeding designed to ascertain or test character, qualification, or the like.
probe – To search through and through.
probity – Virtue or integrity tested and confirmed.
procedure – A manner or method of acting.
proceed – To renew motion or action, as after rest or interruption.
proclamation – Any announcement made in a public manner.
procrastinate – To put off till tomorrow or till a future time.
procrastination – Delay.
proctor – An agent acting for another.
prodigal – One wasteful or extravagant, especially in the use of money or property.
prodigious – Immense.
prodigy – A person or thing of very remarkable gifts or qualities.
productive – Yielding in abundance.
profession – Any calling or occupation involving special mental or other special disciplines.
professor – A public teacher of the highest grade in a university or college.
proffer – To offer to another for acceptance.
proficiency – An advanced state of acquirement, as in some knowledge, art, or science.
proficient – Possessing ample and ready knowledge or of skill in any art, science, or industry.
profile – An outline or contour.
profiteer – One who profits.
profligacy – Shameless viciousness.
profligate – Abandoned to vice.
profuse – Produced or displayed in overabundance.
progeny – Offspring.
progression – A moving forward or proceeding in course.
prohibition – A decree or an order forbidding something.
prohibitionist – One who favors the prohibition by law of the manufacture and sale of alcoholic beverages.
prohibitory – Involving or equivalent to prohibition, especially of the sale of alcoholic beverages.
projection – A prominence.
proletarian – A person of the lowest or poorest class.
prolific – Producing offspring or fruit.
prolix – Verbose.
prologue – A prefatory statement or explanation to a poem, discourse, or performance.
prolong – To extend in time or duration.
promenade – To walk for amusement or exercise.
prominence – The quality of being noticeable or distinguished.
prominent – Conspicuous in position, character, or importance.
promiscuous – Brought together without order, distinction, or design (for sex).
promissory – Expressing an engagement to pay.
promontory – A high point of land extending outward from the coastline into the sea.
promoter – A furtherer, forwarder, or encourager.
promulgate – To proclaim.
propaganda – Any institution or systematic scheme for propagating a doctrine or system.
propagate – To spread abroad or from person to person.
propel – To drive or urge forward.
propellant – Propelling.
propeller – One who or that which propels.
prophecy – Any prediction or foretelling.
prophesy – To predict or foretell, especially under divine inspiration and guidance.
propitious – Kindly disposed.
proportionate – Being in proportion.
propriety – Accordance with recognized usage, custom, or principles.
propulsion – A driving onward or forward.
prosaic – Unimaginative.
proscenium – That part of the stage between the curtain and the orchestra.
proscribe – To reject, as a teaching or a practice, with condemnation or denunciation.
proscription – Any act of condemnation and rejection from favor and privilege.
proselyte – One who has been won over from one religious belief to another.
prosody – The science of poetical forms.
prospector – One who makes exploration, search, or examination, especially for minerals.
prospectus – A paper or pamphlet containing information of a proposed undertaking.
prostrate – Lying prone, or with the head to the ground.
protagonist – A leader in any enterprise or contest.
protection – Preservation from harm, danger, annoyance, or any other evil.
protective – Sheltering.
protector – A defender.
protégé – One specially cared for and favored by another usually older person.
Protestant – A Christian who denies the authority of the Pope and holds the right of special judgment.
protomartyr – The earliest victim in any cause.
protocol – A declaration or memorandum of agreement less solemn and formal than a treaty.
protoplasm – The substance that forms the principal portion of an animal or vegetablecell.
prototype – A work, original in character, afterward imitated in form or spirit.
protract – To prolong.
protrude – To push out or thrust forth.
protrusion – The act of protruding.
protuberance – Something that swells out from a surrounding surface.
protuberant – Bulging.
protuberate – To swell or bulge beyond the surrounding surface.
proverb – A brief, pithy saying, condensing in witty or striking form the wisdom of experience.
provident – Anticipating and making ready for future wants or emergencies.
providential – Effected by divine guidance.
provincial – Uncultured in thought and manner.
proviso – A clause in a contract, will, etc., by which its operation is rendered conditional.
provocation – An action or mode of conduct that excites resentment.
prowess – Strength, skill, and intrepidity in battle.
proximately – Immediately.
proxy – A person who is empowered by another to represent him or her in a given matter.
prudence – Caution.
prudential – Proceeding or marked by caution.
prudery – An undue display of modesty or delicacy.
prurient – Inclined to lascivious thoughts and desires.
pseudapostle – A pretended or false apostle.
pseudonym – A fictitious name, especially when assumed by a writer.
pseudonymity – The state or character of using a fictitious name.
psychiatry – The branch of medicine that relates to mental disease.
psychic – Pertaining to the mind or soul.
psychopathic – Morally irresponsible.
psychotherapy – The treatment of mental disease.
pudgy – Small and fat.
puerile – Childish.
pugnacious – Quarrelsome.
puissant – Possessing strength.
pulmonary – Pertaining to the lungs.
punctilious – Strictly observant of the rules or forms prescribed by law or custom.
punctual – Observant and exact in points of time.
pungent – Affecting the sense of smell.
pungency – The quality of affecting the sense of smell.
punitive – Pertaining to punishment.
pupilage – The state or period of being a student.
purgatory – An intermediate state where souls are made fit for paradise or heaven by expiatory suffering.
purl – To cause to whirl, as in an eddy.
purloin – To steal.
purport – Intent.
purveyor – one who supplies
pusillanimous – Without spirit or bravery.
putrescent – Undergoing decomposition of animal or vegetable matter accompanied by fetid odors.
pyre – A heap of combustibles arranged for burning a dead body.
pyromania – An insane propensity to set things on fire.
pyrotechnic – Pertaining to fireworks or their manufacture.
pyx – A vessel or casket, usually of precious metal, in which