acquaint
Concise Oxford English Dictionary © 2008 Oxford University Press:
acquaint/əˈkweɪnt/
▶verb
- 1 (acquaint someone with) make someone aware of or familiar with.
- 2 (be acquainted with) know personally.
■ (be acquainted) (of two or more people) know each other slightly.
– origin ME: from OFr. acointier ‘make known’, from late L. accognitare, from L. accognoscere, from ad- ‘to’ + cognoscere ‘come to know’.
'acquaint' also found in these Oxford entries:

