con ‧ ver ‧ sant /kənˈvɜːs ə nt $ -ɜːr-/ BrE AmE adjective [not before noun]
1 . formal having knowledge or experience of something
conversant with
Staff members are conversant with the issues.
2 . American English able to hold a conversation in a foreign language, but not able to speak it perfectly
conversant in
Kim was conversant in Russian.