'Act' in the Bible

Remember, I beseech thee, the word that thou commandedst thy servant Moses, saying, If ye act unfaithfully, I will scatter you among the peoples;

He was hired for this reason, that I might become frightened and act accordingly and sin, so that they might have an evil report in order that they could reproach me.

And on the second day have been gathered heads of the fathers of all the people, the priests, and the Levites, unto Ezra the scribe, even to act wisely concerning the words of the law.

'And Thy good Spirit Thou hast given, to cause them to act wisely; and Thy manna Thou hast not withheld from their mouth, and water Thou hast given to them for their thirst,

Did not Solomon king of Israel sin [greatly against God] regarding these things? Yet among the many nations there was no king like him. He was loved by his God, and God made him king over all Israel; nevertheless the foreign women caused even him to sin [by turning to other gods and so, judged by God, he lost his kingdom].

And should we hearken to you to do all this great evil, to act unfaithfully to our God by marrying foreign wives?