Personal knowledge or information about someone or something.

synonyms: conversance, conversancy, familiarity.

Roget 490: knowledge; cognizance, cognition, cognoscence^†; acquaintance, experience, ken [Scot.], privity^†, insight, familiarity; comprehension, apprehension; recognition; appreciation etc. (judgment) 480; intuition; conscience, consciousness; perception, precognition; acroamatics^†.    light, enlightenment; glimpse, inkling; glimmer, glimmering; dawn; scent, suspicion; impression etc. (idea) 453; discovery etc. 480.1. system of knowledge, body of knowledge; science, philosophy, pansophy^†; acroama^†; theory, aetiology^†, etiology; circle of the sciences; pandect^†, doctrine, body of doctrine; cyclopedia, encyclopedia; school etc. (system of opinions) 484.    tree of knowledge; republic of letters etc. (language) 560.    erudition, learning, lore, scholarship, reading, letters; literature; book madness; book learning, bookishness; bibliomania^†, bibliolatry^†; information, general information; store of knowledge &c.; education etc. (teaching) 537; culture, menticulture^†, attainments; acquirements, acquisitions; accomplishments; proficiency; practical knowledge etc. (skill) 698; liberal education; dilettantism; rudiments etc. (beginning) 66.    deep knowledge, profound knowledge, solid knowledge, accurate knowledge, acroatic knowledge^†, acroamatic knowledge^†, vast knowledge, extensive knowledge, encyclopedic knowledge, encyclopedic learning; omniscience, pantology^†.    march of intellect; progress of science, advance of science, advance of learning; schoolmaster abroad.    [person who knows much] scholar etc. 492.    ... show more

Roget 527: information, enlightenment, acquaintance, knowledge etc. 490; publicity etc. 531; data etc. 467.    communication, intimation; notice, notification; enunciation, annunciation; announcement; communiqu_e; representation, round robin, presentment.    case, estimate, specification, report, advice, monition; news etc. 532; return etc. (record) 551; account etc. (description) 594; statement etc. (affirmation) 535.    mention; acquainting etc. v.; instruction etc. (teaching) 537; outpouring; intercommunication, communicativeness.    informant, authority, teller, intelligencer^†, reporter, exponent, mouthpiece; informer, eavesdropper, delator, detective; sleuth; mouchard^†, spy, newsmonger; messenger etc. 534; amicus curiae [Lat.].    valet de place, cicerone, pilot, guide; guidebook, handbook; vade mecum [Lat.]; manual; map, plan, chart, gazetteer; itinerary etc. (journey) 266.    hint, suggestion, innuendo, inkling, whisper, passing word, word in the ear, subaudition^†, cue, byplay; gesture etc. (indication) 550; gentle hint, broad hint; verbum sapienti [Lat.], a word to the wise; insinuation etc. (latency) 526.    information theory.    [units of information] bit, byte, word, doubleword [Comp.], quad word, paragraph, segment.    [information storage media] magnetic media, paper medium, optical media; random access memory, RAM; read-only memory, ROM; write once read mostly memory, WORM.    ... show more

Roget 888: friendship, amity; friendliness etc. adj.; brotherhood, fraternity, sodality, confraternity; harmony etc. (concord) 714; peace etc. 721.    firm friendship, staunch friendship, intimate friendship, familiar friendship, bosom friendship, cordial friendship, tried friendship, devoted friendship, lasting friendship, fast friendship, sincere friendship, warm friendship, ardent friendship.    cordiality, fraternization, entente cordiale [Fr.], good understanding, rapprochement, sympathy, fellow-feeling, response, welcomeness.    affection etc. (love) 897; favoritism; good will etc. (benevolence) 906.    acquaintance, familiarity, intimacy, intercourse, fellowship, knowledge of; introduction.    ... show more

Dutch: bekendheid
Polish: oblatanie, obeznanie

A relationship less intimate than friendship.

synonym: acquaintanceship.

Polish: znajomość

A person with whom you are acquainted:
— I have trouble remembering the names of all my acquaintances.

synonym: friend.

Roget 890: friend, friend of one's bosom; alter ego; best friend, bosom friend, soulmate, fast friend; amicus [Lat.]; usque ad aras [Lat.]; fidus Achates [Lat.]; persona grata.    acquaintance, neighbor, next-door neighbor, casual acquaintance, nodding acquaintance; wellwisher.    favorer, fautor^†, patron, Mecaenas; tutelary saint, good genius, advocate, partisan, sympathizer; ally; friend in need etc. (auxiliary) 711.    comrade, mate, companion, familiar, confrere, comrade, camarade^†, confidante, intimate; old crony, crony; chum; pal; buddy, bosom buddy; playfellow, playmate, childhood friend; bedfellow, bedmate; chamber fellow.    associate, colleague, compeer.    schoolmate, schoolfellow^†; classfellow^†, classman^†, classmate; roommate; fellow-man, stable companion.    best man, maid of honor, matron of honor.    compatriot; fellow countryman, countryman.    shopmate, fellow-worker, shipmate, messmate^†; fellow companion, boon companion, pot companion; copartner, partner, senior partner, junior partner.    Arcades ambo Pylades and Orestes Castor and Arcades ambo Pylades and Orestes Castor and Pollux^†, Nisus and Euryalus [Lat.], Damon and Pythias, par nobile fratrum [Lat.].    host, Amphitryon^†, Boniface; guest, visitor, prot_eg_e.    ... show more

Dutch: vriendje, vriend, bekendheid, maatje, vriendinnetje, vriendin, bekende, kennis
Polish: znajomek