ppl. a.
† 1. Familiarly known (to others). Obs.
1565. Jewel, Repl. Harding, xiv. 509. These Authorities be wel acquainted, and knowen vnto the World.
1590. Shaks., Com. Err., IV. iii. 2. Theres not a man I meete but doth salute me As if I were their well acquainted friend.
2. Having a good acquaintance with (= knowledge of) a person or thing; familiar with. Also without const. (of two or more persons).
1728. Cibber, Provoked Husb., I. i. 7. He is a Man too well-acquainted with the Female World to be brought into a high Opinion of any one Woman, without some well-examined Proof of her Merit.
1857. Buckle, Civiliz., I. xii. 666. Mounier was well acquainted with our language.
1864. Pusey, Daniel (1876), 311. Habakkuks hymn shows one well-acquainted with the Psalms.
1877. W. S. Gilbert, Sorcerer, I. Ballad, Time was when Love and I were well acquainted.