exercitatus or volutatus in re (experienced in): perltus: gnarus alicujus rei (acquainted with). Well versed in a science, perfectus in aliqua scientia: to be versed in anything, non hospitem esse in re; alicujus rei esse peritum: to be versed in history, ad historiam instructum esse: to be versed in Greek and Latin, et Graecis et Latinis doctum esse: to be well versed in ancient litterature, in veteribus scriptis studiose et multum volutatum esse: well or thoroughly versed, peritissimus; experientissimus; plurimo rerum usu or magno usu praeditus; usu et prudentia praestans; multis experimentis eruditus (Plin., Ep., 1, 5, 16).