'Confirm' in the Bible

but I have besought for thee that thy faith fail not; and thou, when once thou hast been restored, confirm thy brethren.

Jesus replied, "If I have said something wrong, confirm what is wrong. But if I spoke correctly, why strike me?"

Judas also and Silas, being themselves also prophets, through much discourse did exhort the brethren, and confirm,

But if our unrighteousness serves to confirm God's righteousness, what can we say? God is not unrighteous when he vents his wrath on us, is he? (I am talking in human terms.)

Do we then nullify the Law by this faith [making the Law of no effect, overthrowing it]? Certainly not! On the contrary, we confirm and establish and uphold the Law [since it convicts us all of sin, pointing to the need for salvation].

Now I say that Jesus Christ was a minister of the circumcision for the truth of God, to confirm the promises made unto the fathers:

Who shall also confirm you unto the end, that ye may be blameless in the day of our Lord Jesus Christ.

Wherefore I beseech you that ye would confirm your love toward him.

And I am justified in having this confidence about you all, because, both during my imprisonment and when I stand up in defence of the Good News or to confirm its truth, I have you in my heart, sharers as you all are in the same grace as myself.

and sent Timotheus, our brother and fellow-workman under God in the glad tidings of Christ, to confirm you and encourage you concerning your faith,

so that He may strengthen and establish your hearts without blame in holiness in the sight of our God and Father at the coming of our Lord Jesus with all His saints (God’s people).

You too, be patient; strengthen your hearts [keep them energized and firmly committed to God], because the coming of the Lord is near.

After you have suffered for a little while, the God of all grace, who called you to His eternal glory in Christ, will Himself perfect, confirm, strengthen and establish you.

Therefore, brothers, make every effort to confirm your calling and election, because if you do these things you will never stumble.