convince
From LSJ
καὶ λέγων ὅτι Πεπλήρωται ὁ καιρὸς καὶ ἤγγικεν ἡ βασιλεία τοῦ θεοῦ· μετανοεῖτε καὶ πιστεύετε ἐν τῷ εὐαγγελίῳ → declaring “The time has been accomplished and the kingdom of God is near: start repenting and believing in the gospel!” (Μark 1:15)
English > Greek (Woodhouse)
v. trans.
P. and V. πείθειν, ἀναπείθειν (Eur., Hel. 825), V. ἔκπείθειν.
Be convinced, be sure: see under sure.