(uncountable) A state of being acquainted with a person; originally indicating friendship, intimacy, but now suggesting a slight knowledge less deep than that of friendship; acquaintanceship.

plural of acquaintance

Personally known; familiar.

simple past tense and past participle of acquaint

(obsolete) Easy to be acquainted with; affable.

(transitive, followed by with) To furnish or give experimental knowledge of; to make (one) know; to make familiar.

(obsolete) Acquainted.

(rare) An acquaintance.

Third-person singular simple present indicative form of acquaint

present participle of acquaint