ἱλαρῶς

ὁ δὲ πείσεται εἰς ἀγαθόν περ → he will obey you to his profit, he will obey you for his own good end

French (Bailly abrégé)

adv.
gaîment, joyeusement.
Étymologie: ἱλαρός.

ἱλᾰρῶς: весело, радостно (τὸν θάνατον προσδέχεσθαι Xen.; ἡδέως ζῆν καὶ ἱ. Plut.).