ἐπίστασθαι

From LSJ

φιλοσοφίαν καινὴν γὰρ οὗτος φιλοσοφεῖ → this man adopts a new philosophy

Source

Greek > English (Woodhouse Verbs Reversed)

(see also ἐπίσταμαι, ἐφίστημι): know, be conscious of, know how to