'Powerful' in the Bible

"Men of Israel, listen to these words: Jesus the Nazarene, a man clearly attested to you by God with powerful deeds, wonders, and miraculous signs that God performed among you through him, just as you yourselves know --

So Moses was educated in all the wisdom of the Egyptians and was powerful in his speech and actions.

A Jew named Apollos, a native Alexandrian, an eloquent man who was powerful in the use of the Scriptures, arrived in Ephesus.

I've had help from God to this day, and so I stand here to testify to both the powerful and the lowly alike, stating only what the prophets and Moses said would happen