Familiar, as by study or experience: conversant with medieval record.
in a position to converse knowledgeably: "By ... utilizing a library of one's personal design, there are yourself much more knowledgeable and, in the course of time, more conversant, on subjects interesting for you” ( Tom Kelley).
closely familiar; present; having regular interaction
familiar or acquainted by use or research; well-informed; versed
Having frequent or customary sexual intercourse; familiary linked; intimately familiarized.
Familiar or acquainted by use or study; well-informed; versed; -- generally used in combination with with, occasionally with in.
Concerned; occupied.
(usually followed by `with') knowledgeable about or understanding completely
Having regular or customary intercourse; intimately associating; familiar by company; familiarized: followed closely by with, previously also by amongst.
familiarized by familiar use or research; having a comprehensive or personal understanding or proficiency: followed typically by with, formerly whilst still being sporadically by in.
Having concern or connection; worried, occupied, or engaged: followed by with or about.
How would you define conversant?