πιστεύω πίστις to trust, trust to or in, put faith in, rely on, believe in a person or thing, c. dat., π. τινί Hdt., Attic; with neut. adj., λόγοις ἐμοῖσι πίστευσον τάδε believe my words herein, Eur.:—later, π. εἰς Θεόν to believe on or in God, NTest.; π. ἐπὶ τὸν Κύριον NTest.:—absol. to believe, Hdt., Thuc.:—Pass. to be trusted or believed, Plat.; πιστεύεσθαι ὑπό τινος to enjoy his confidence, Xen.; π. παρά τινι, πρός τινα Dem.; ὡς πιστευθησόμενος as if he would be believed, Dem.:—Mid. to believe mutually, Dem. to comply, Soph. c. inf. to believe that, feel sure or confident that a thing is, will be, has been, Eur., etc.; π. ποιεῖν to dare to do a thing, Dem.:—Pass., πιστεύομαι ἀληθεύσειν I am believed likely to speak truth, Xen. c. dat. et inf., τοῖσι ἐπίστευε σιγᾶν to whom he trusted that they would keep silence, in whose secresy he confided, Hdt. to believe, have faith, NTest. π. τί τινι to entrust something to another, Xen., etc.:—Pass., πιστεύομαί τι I am entrusted with a thing, have it committed to me, Xen.