personal knowledge as a result of study, experience, etc.: a good acquaintance with French wines.
4.
(used with a plural verb) the persons with whom one is acquainted.
Also, ac·quaint·ance·ship (for defs 2, 3).
Origin: 1250–1300;Middle Englishaqueinta(u)nce, acoyntaunce < Old Frenchacointance. See acquaint, -ance
Related forms
non·ac·quaint·ance, noun
non·ac·quaint·ance·ship, noun
pre·ac·quaint·ance, noun
pseu·do·ac·quaint·ance, noun
re·ac·quaint·ance, noun
Synonyms 1. Acquaintance, associate, companion, friend refer to a person with whom one is in contact. An acquaintance is someone recognized by sight or someone known, though not intimately: a casual acquaintance. An associate is a person who is often in one's company, usually because of some work, enterprise, or pursuit in common: a business associate. A companion is a person who shares one's activities, fate, or condition: a traveling companion; companion in despair. A friend is a person with whom one is on intimate terms and for whom one feels a warm affection: a trusted friend.3. familiarity, awareness.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
the offspring of a zebra and a donkey.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a person with whom one has been in contact but who is not a close friend
2.
knowledge of a person or thing, esp when slight
3.
make the acquaintance of to come into social contact with
4.
those persons collectively whom one knows
5.
philosophy the relation between a knower and the object of his knowledge, as contrasted with knowledge by description (esp in the phrase knowledge by acquaintance)
late 14c., "person with whom one is acquainted;" also "personal knowledge;" from O.Fr. acointance, noun of action from acointer (see acquaint). Acquaintant, 17c., would have been better in the "person known" sense, but is now obsolete.