'Attested' in the Bible

“Men of Israel, listen to these words: Jesus of Nazareth, a Man accredited and pointed out and attested to you by God with [the power to perform] miracles and wonders and signs which God worked through Him in your [very] midst, just as you yourselves know—

Therefore, brothers, choose from among you seven men with good reputations [men of godly character and moral integrity], full of the Spirit and of wisdom, whom we may put in charge of this task.

But now the righteousness of God has been clearly revealed [independently and completely] apart from the Law, though it is [actually] confirmed by the Law and the [words and writings of the] Prophets.

who gave Himself as a ransom [a substitutionary sacrifice to atone] for all, the testimony given at the right and proper time.