τοῦ εἰδέναι χάριν ἡ πραγματεία → knowledge is the object of our inquiry, the aim of our investigation is knowledge
P. and V. εὔπορος, Ar. and P. εὐμήχανος, πόριμος, P. τεχνικός.
clever: P. and V. συνετός.
