'Confirms' in the Bible

But if her husband says nothing to her [concerning the matter] from day to day, then he confirms all her vows or all her pledges which are on her. He has confirmed them because he said nothing to her on the day he heard them.

Confirming the word of His servantAnd carrying out the plan of His messengers.It is I who says of Jerusalem, ‘She shall [again] be inhabited!’And of the cities of Judah, ‘They shall [again] be built.’And I will raise up and restore her ruins.

For with the heart a person believes [in Christ as Savior] resulting in his justification [that is, being made righteous—being freed of the guilt of sin and made acceptable to God]; and with the mouth he acknowledges and confesses [his faith openly], resulting in and confirming [his] salvation.

Now it is God who establishes and confirms us [in joint fellowship] with you in Christ, and who has anointed us [empowering us with the gifts of the Spirit];

Children, it is the last hour [the end of this age]; and just as you heard that the antichrist is coming [the one who will oppose Christ and attempt to replace Him], even now many antichrists (false teachers) have appeared, which confirms our belief that it is the last hour.