ἡ γὰρ σιωπὴ τοῖς σοφοῖσιν ἀπόκρισις → silence, you see, is an answer for the wise (Menander)
P. and V. ἐν (dat.).
in presence of: P. and V. παρά (dat.), ἐναντίον (gen.), V. ἀντίον. (gen.).
to the presence of: P. and V. παρά (acc.), ὡς (acc.).