ἐπιγιγνώσκειν

From LSJ

εἷς οἰωνὸς ἄριστος, ἀμύνεσθαι περὶ πάτρης → the best goal is defending your country

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.