πολεμεῖν
From LSJ
συνερκτικός γάρ ἐστι καὶ περαντικός, καὶ γνωμοτυπικὸς καὶ σαφὴς καὶ κρουστικός, καταληπτικός τ' ἄριστα τοῦ θορυβητικοῦ → he's intimidative, penetrative, aphoristically originative, clear and aggressive, and superlatively terminative of the obstreperative
Greek > English (Woodhouse Verbs Reversed)
(see also πολεμέω): carry on war, carry on warlike operations, go to war, wage war against, wage war with, wage war, war with