Pronunciation: (u-kwānt'),[key] —v.t. 1. to make more or less familiar, aware, or conversant (usually fol. by with): to acquaint the mayor with our plan. 2. to furnish with knowledge; inform (usually fol. by with): to acquaint the manager with one's findings. 3. to bring into social contact; introduce (usually fol. by with): She acquainted her roommate with my cousin.