τους φίλους λόγων τέχναιν επαίδευσας → Using 2 artifices, you educated (taught) those who love rhetoric.
accurately: P. and V. ἀκριβῶς.
truly: P. and V. ἀληθῶς, ὀρθῶς, V. κατ' ὀρθόν.
becomingly, adv.; P. and V. εὐπρεπῶς, πρεπόντως, P. προσηκόντως.