perītē adv.with comp.and sup.
peritus, skilfully, expertly, artfully, cleverly : quod institutum perite a Numā: fecit: nihil peritius (dictum): litteras peritissime venditare.
pĕrītē, adv., v. peritus fin. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
·adj <<Skilled>>. ...
Webster's Dictionary of the English Language