adjective

familiar with or knowledgeable about something.

you need someone who is conversant with the new technology

familiar with,acquainted with,au fait with,at home with,no stranger to,well versed in,well informed about,well up on,knowledgeable about,informed about,abreast of,apprised of,up to date on,au courant with,experienced in,proficient in,practised in,skilled in,up to speed on,clued up on,genned up on,plugged into,cognizant of,perfect in