ἐπιγιγνώσκειν

From LSJ

κρῖναι δὲ λόγῳ πολύδηριν ἔλεγχον ἐξ ἐμέθεν ῥηθέντα → judge by reason the too much contested argument which has been given by me

Source

Greek > English (Woodhouse Verbs Reversed)

(see also ἐπιγιγνώσκω): perceive, recognise, come to a decision

Lexicon Thucydideum

cognoscere, to learn, find out, 1.132.5, 2.65.11,
excogitare (aliquid novi), to devise (something new), 1.70.2,
statuere, decernere, to determine, decide, 3.57.1.