'Devotion' in the Bible

He did what the Lord approved, but not with wholehearted devotion.

Now the rest of the acts of Hezekiah and his deeds of devotion, behold, they are written in the vision of Isaiah the prophet, the son of Amoz, in the Book of the Kings of Judah and Israel.

Now the rest of the accomplishments of Josiah, including his faithful acts of devotion as required in the Law of the LORD,