'Strengthen' in the Bible

Taken counsel have all the presidents of the kingdom, the prefects, and the satraps, the counsellors, and the governors, to establish a royal statute, and to strengthen an interdict, that any who seeketh a petition from any god and man until thirty days, save of thee, O king, is cast into a den of lions.

and receive the kingdom do the saints of the Most High, and they strengthen the kingdom unto the age, even unto the age of the ages.

He told me, "Daniel, man highly regarded, understand the message that I'm about to relate to you. Stand up, because I've been sent to you.' When he spoke this statement to me, I stood there trembling.

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