φιλόσοφος φῐλό-σοφος, ὁ, a lover of wisdom, first used by Pythagoras, who called himself φιλόσοφος a lover of wisdom, not σοφός, a sage, Cic.: then in a wide sense of scientific men, learned men, Plat., etc. a philosopher, i. e. one who speculates on the nature of things and truth, Ar., etc.; defined as ὁ τῆς ἀληθείας φιλοθεάμων, Plat. as adj. loving knowledge, philosophic, Plat.: of arguments, etc., scientific, philosophic, Plat.; τὸ φιλόσοφον φιλοσοφία, Plat. adv., φιλοσόφως διακεῖσθαι Isocr.; φ. ἔχειν Plat.