acquainted
acquaint·ed
adj , not used before a noun
1 formal : having knowledge about something : having seen or experienced something
— + with
Are you acquainted with the facts in this case? [=do you know the facts?]
I am (well) acquainted with his books. [=I have read his books]
2 : having met : knowing each other in a personal or social way
Are you two acquainted? [=have you met before?]
The two actors are intimately/casually acquainted. [=they know each other intimately/casually]
Let's take a walk and get acquainted.
I'll go get us some drinks while you two get better acquainted. [=while you two talk to each other and get to know each other better]
— often + with
It took him a few months to get/become acquainted with the other students.