King James Bible

ACQUA'INT, verb transitive [Eng. can, and ken; which see.]

1. To make known; to make fully or intimately known; to make familiar.

A man of sorrows and acquainted with grief. Isaiah 53:3.

2. To inform; to communicate notice to; as a friend in the country acquaints me with his success. Of before the object, as to acquaint a man of this design, has been used, but is obsolete or improper.

3. To acquaint one's self, is to gain an intimate or particular knowledge of.

Acquaint now thyself with him and be at peace. Job 22:21.