ὑποκρίνεσθαι
From LSJ
Greek > English (Woodhouse Verbs Reversed)
(see also ὑποκρίνομαι): play, represent, act a part, act in a play, play apart, play role of, represent by acting
Lexicon Thucydideum
respondere, to respond, answer, 3.104.5 (ex Hom. H. Ap. from Homer's Hymn to Apollo). 7.44.5.