compertus adj.
P. of comperio, ascertained, clearly known : quod de his duobus habuerint compertum: nobis ea res parum comperta est, S.— As subst n. : de his haud facile conpertum narraverim, exact information , S.
compertus, a, um, v. comperio. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.