ὁ δὲ πείσεται εἰς ἀγαθόν περ → he will obey you to his profit, he will obey you for his own good end
P. and V. μέγας, μέγιστος, ὑπερφυής (Aesch., Fragment). P. ὑπερμεγέθης, Ar. ὑπέρμεγας.
ironically: Ar. πελώριος; see vast.