G0584–ἀποδείκνυμι–apodeiknumi

Ye men of Israel, hear these words: Jesus of Nazareth, a man approved of God unto you by mighty works and wonders and signs which God did by him in the midst of you, even as ye yourselves know;

ἀποδεδειγμένον apodedeigmenon “set forth”

And when he was come, the Jews that had come down from Jerusalem stood round about him, bringing against him many and grievous charges which they could not prove;

ἀποδεῖξαι, apodeixai “to prove,”

For, I think, God hath set forth us the apostles last of all, as men doomed to death: for we are made a spectacle unto the world, both to angels and men.

ἀπέδειξεν apedeixen “has exhibited”

he that opposeth and exalteth himself against all that is called God or that is worshipped; so that he sitteth in the temple of God, setting himself forth as God.

ἀποδεικνύντα apodeiknunta “setting forth”