ἀποδεικνύω
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 (LSJ)
v. ἀποδείκνυμι.
Spanish (DGE)
mostrar ἑαυτὸν πονηρόν X.Smp.8.20, cf. Plb.7.14.3.
Russian (Dvoretsky)
ἀποδεικνύω: Xen., Polyb.; только praes. = ἀποδείκνυμι.