1.To furnish or give experimental knowledge of; to make (one) to know; to make familiar; followed by with. "Before a man can speak on any subject, it is necessary to be acquainted with it." "A man of sorrows and acquainted with grief."
2.To communicate notice to; to inform; to make cognizant; followed by with (formerly, also, by of), or by that, introducing the intelligence; as, to acquaint a friend with the particulars of an act. "Acquaint her here of my son Paris' love." "I must acquaint you that I have received New dated letters from Northumberland."
3.To familiarize; to accustom. (Obs.)
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