The people believed That Moses was God's messenger, sent for their deliverance, and bowed their heads, and worshipped Jehovah as the true God, and the God of their fathers, acknowledging his goodness, and testifying their gratitude for his thus graciously visiting them.
Related Commentaries of Exodus 4:31
Exodus 4:31
31 And the people believed: and when they heard that the LORD had visited the children of Israel, and that he had looked upon their affliction, then they bowed their heads and worshipped.