'Confirm' in the Bible

So I will turn toward you and make you fruitful and multiply you, and I will confirm My covenant with you.

“Every vow and every binding oath to humble herself, her husband may confirm it or her husband may annul it.

But you shall remember the Lord your God, for it is He who is giving you power to make wealth, that He may confirm His covenant which He swore to your fathers, as it is this day.

It is not for your righteousness or for the uprightness of your heart that you are going to possess their land, but it is because of the wickedness of these nations that the Lord your God is driving them out before you, in order to confirm the oath which the Lord swore to your fathers, to Abraham, Isaac and Jacob.

‘Cursed is he who does not confirm the words of this law by doing them.’ And all the people shall say, ‘Amen.’

Now this was the custom in former times in Israel concerning the redemption and the exchange of land to confirm any matter: a man removed his sandal and gave it to another; and this was the manner of attestation in Israel.

Elkanah her husband said to her, “Do what seems best to you. Remain until you have weaned him; only may the Lord confirm His word.” So the woman remained and nursed her son until she weaned him.

Now therefore, O Lord God, the word that You have spoken concerning Your servant and his house, confirm it forever, and do as You have spoken,

“Behold, while you are still there speaking with the king, I will come in after you and confirm your words.”

Moreover, Josiah removed the mediums and the spiritists and the teraphim and the idols and all the abominations that were seen in the land of Judah and in Jerusalem, that he might confirm the words of the law which were written in the book that Hilkiah the priest found in the house of the Lord.

Then Queen Esther, daughter of Abihail, with Mordecai the Jew, wrote with full authority to confirm this second letter about Purim.

You shed abroad a plentiful rain, O God;You confirmed Your inheritance when it was parched.

Let the favor of the Lord our God be upon us;And confirm for us the work of our hands;Yes, confirm the work of our hands.

I have sworn and I will confirm it,That I will keep Your righteous ordinances.

in order to confirm the oath which I swore to your forefathers, to give them a land flowing with milk and honey, as it is this day.”’” Then I said, “Amen, O Lord.”

and the prophet Jeremiah said, “Amen! May the Lord do so; may the Lord confirm your words which you have prophesied to bring back the vessels of the Lord’s house and all the exiles, from Babylon to this place.

thus says the Lord of hosts, the God of Israel, as follows: ‘As for you and your wives, you have spoken with your mouths and fulfilled it with your hands, saying, “We will certainly perform our vows that we have vowed, to burn sacrifices to the queen of heaven and pour out drink offerings to her.” Go ahead and confirm your vows, and certainly perform your vows!’