acquaint, acquainting, acquainted 1. To make more or less familiar, to make aware, or to make conversant; to cause to come to know personally (usually followed by with): 'We wanted to acquaint the mayor with our plan.' 2. To furnish with knowledge; to inform (usually followed by with): 'We tried to acquaint the manager with our findings.' 3. To br... Found on http://www.wordinfo.info/words/index/info/view_unit/3445/