Verses with the word confirm in the Old Testament (10 verses):

Ruth 4:7
Now this was the manner in former time in Israel concerning redeeming and concerning changing, for to confirm all things; a man plucked off his shoe, and gave it to his neighbour: and this was a testimony in Israel.

1 Kings 1:14
Behold, while thou yet talkest there with the king, I also will come in after thee, and confirm thy words.

2 Kings 15:19
And Pul the king of Assyria came against the land: and Menahem gave Pul a thousand talents of silver, that his hand might be with him to confirm the kingdom in his hand.

Esther 9:29
Then Esther the queen, the daughter of Abihail, and Mordecai the Jew, wrote with all authority, to confirm this second letter of Purim.

Esther 9:31
To confirm these days of Purim in their times appointed, according as Mordecai the Jew and Esther the queen had enjoined them, and as they had decreed for themselves and for their seed, the matters of the fastings and their cry.

Psalms 68:9
Thou, O God, didst send a plentiful rain, whereby thou didst confirm thine inheritance, when it was weary.

Isaiah 35:3
Strengthen ye the weak hands, and confirm the feeble knees.

Ezekiel 13:6
They have seen vanity and lying divination, saying, The LORD saith: and the LORD hath not sent them: and they have made others to hope that they would confirm the word.

Daniel 9:27
And he shall confirm the covenant with many for one week: and in the midst of the week he shall cause the sacrifice and the oblation to cease, and for the overspreading of abominations he shall make it desolate, even until the consummation, and that determined shall be poured upon the desolate.

Daniel 11:1
Also I in the first year of Darius the Mede, even I, stood to confirm and to strengthen him.