Conversant

Having frequent or customary intercourse; familiary associated; intimately acquainted.

Familiar or acquainted by use or study; well-informed; versed; -- generally used with with, sometimes with in.

Concerned; occupied.

One who converses with another; a convenser.

(usually followed by ‘with’) well informed about or knowing thoroughly; "conversant with business trends"; "familiar with the complex machinery"; "he was familiar with those roads"