2 Chronicles 33:16

16 And he buildeth the altar of Jehovah, and sacrificeth upon it sacrifices of peace-offerings and thank-offering, and saith to Judah to serve Jehovah, God of Israel;

2 Chronicles 33:16 Meaning and Commentary

2 Chronicles 33:16

And he repaired the altar of the Lord
Which was fallen to ruin, being neglected and disused in his times of idolatry: or, according to the Keri, or marginal reading, and so the Targum, "he built it"; which perhaps he had before pulled down and destroyed:

and sacrificed thereon peace offerings and thank offerings;
to the Lord, for bringing him out of captivity, and restoring him to his kingdom; and especially for converting him from his idolatries, giving him repentance for them, and forgiveness of sins:

and commanded Judah to serve the Lord God of Israel;
and him only; another instance of the truth of his repentance, in endeavouring to reform those whom he had misled, and restore the true worship of God among them, and bring them back to that.

2 Chronicles 33:16 In-Context

14 And after this he hath built an outer wall to the city of David, on the west of Gihon, in the valley, and at the entering in at the fish-gate, and it hath gone round to the tower, and he maketh it exceeding high, and he putteth heads of the force in all the cities of the bulwarks in Judah.
15 And he turneth aside the gods of the stranger, and the idol, out of the house of Jehovah, and all the altars that he had built in the mount of the house of Jehovah and in Jerusalem, and casteth [them] to the outside of the city.
16 And he buildeth the altar of Jehovah, and sacrificeth upon it sacrifices of peace-offerings and thank-offering, and saith to Judah to serve Jehovah, God of Israel;
17 but still the people are sacrificing in high places, only -- to Jehovah their God.
18 And the rest of the matters of Manasseh, and his prayer unto his God, and the matters of the seers, those speaking unto him in the name of Jehovah, God of Israel, lo, they are [on the book of] the matters of the kings of Israel;
Young's Literal Translation is in the public domain.