'Confirm' in the Bible

Cursed is he who doesn't confirm the words of this law to do them.' All the people shall say, 'Amen.'"

Now this was [the custom] in former time in Israel concerning redeeming and concerning exchanging, to confirm all things: a man took off his shoe, and gave it to his neighbor; and this was the [way of] attestation in Israel.

Now, Yahweh God, the word that you have spoken concerning your servant, and concerning his house, confirm it forever, and do as you have spoken.

Behold, while you yet talk there with the king, I also will come in after you, and confirm your words."

There came against the land Pul the king of Assyria; and Menahem gave Pul one thousand talents of silver, that his hand might be with him to confirm the kingdom in his hand.

The king stood by the pillar, and made a covenant before Yahweh, to walk after Yahweh, and to keep his commandments, and his testimonies, and his statutes, with all [his] heart, and all [his] soul, to confirm the words of this covenant that were written in this book: and all the people stood to the covenant.

Moreover those who had familiar spirits, and the wizards, and the teraphim, and the idols, and all the abominations that were seen in the land of Judah and in Jerusalem, did Josiah put away, that he might confirm the words of the law which were written in the book that Hilkiah the priest found in the house of Yahweh.

Then Esther the queen, the daughter of Abihail, and Mordecai the Jew, wrote with all authority to confirm this second letter of Purim.

to confirm these days of Purim in their appointed times, as Mordecai the Jew and Esther the queen had decreed, and as they had imposed upon themselves and their descendants, in the matter of the fastings and their cry.

"As for me, in the first year of Darius the Mede, I stood up to confirm and strengthen him.

Now I say that Christ has been made a servant of the circumcision for the truth of God, that he might confirm the promises given to the fathers,

who will also confirm you until the end, blameless in the day of our Lord Jesus Christ.

Therefore I beg you to confirm your love toward him.