'Execute' in the Bible

The Lord utters His voice before His army,For His camp is very great,Because strong and powerful is he who [obediently] carries out His word.For the day of the Lord is indeed great and very terrible [causing dread];Who can endure it?

I will gather all nations, and will bring them down into the valley of Jehoshaphat; and I will execute judgment upon them there for my people and for my heritage Israel, whom they have scattered among the nations: and they have parted my land,