acquaint
Cross references: 1. inform ac.quaint \*-'kwa-nt\ vt [ME aquainten, fr. OF acointier, fr. ML accognitare, fr. LL (Xaccognitus, pp. of accognoscere to know perfectly, fr. L ad- + cognoscere to know - more at COGNITION 1: to cause to know personally 2: to make familiar : cause to know firsthand