successfully
From LSJ
οἵ γε καὶ ἐν τῷ παρόντι ἀντιπάλως μᾶλλον ἢ ὑποδεεστέρως τῷ ναυτικῷ ἀνθώρμουν → whose navy, even as it was, faced the Athenian more as an equal than as an inferior
English > Greek (Woodhouse)
adv.
Effectually: P. ἐπιτυχῶς.
Prosperously: P. and V. εὐτυχῶς, εὐδαιμόνως, μακαρίως; see prosperously.