'Established' in the Bible
When the kingdom of Rehoboam was established and strong, he and all Israel with him abandoned the law of the Lord.
So King Rehoboam established himself in Jerusalem and reigned. Rehoboam was forty-one years old when he began to reign, and he reigned seventeen years in Jerusalem, the city in which the Lord had chosen from all the tribes of Israel to put His Name. And his mother was Naamah the Ammonitess.
Therefore the Lord established the kingdom in his hand; and all Judah brought tribute to Jehoshaphat, and he had great wealth and honor.
So they got up early in the morning and went out into the Wilderness of Tekoa; and as they went out, Jehoshaphat stood and said, “Hear me, O Judah, and you inhabitants of Jerusalem! Believe and trust in the Lord your God and you will be established (secure). Believe and trust in His prophets and succeed.”
When his kingdom was firmly established, he killed his servants who had struck down his father the king.
He deported to Babylon those who had escaped from the sword; and they were servants to him and to his sons until the kingdom of Persia was established there,