'Confirm' in the Bible

but I will confirm my covenant with you. You will enter the ark -- you, your sons, your wife, and your sons' wives with you.

"Look! I now confirm my covenant with you and your descendants after you

I confirm my covenant with you: Never again will all living things be wiped out by the waters of a flood; never again will a flood destroy the earth."

Then I will confirm my covenant between me and you, and I will give you a multitude of descendants."

I will confirm my covenant as a perpetual covenant between me and you. It will extend to your descendants after you throughout their generations. I will be your God and the God of your descendants after you.

God said, "No, Sarah your wife is going to bear you a son, and you will name him Isaac. I will confirm my covenant with him as a perpetual covenant for his descendants after him.