Come in thou blessed of the Lord — Perhaps, because they heard from Rebekah, of the gracious words which proceeded out of his mouth, they concluded him a good man, and therefore blessed of the Lord.
Related Commentaries of Genesis 24:31
Genesis 24:31
31 And he said, Come in, thou blessed of the LORD; wherefore standest thou without? for I have prepared the house, and room for the camels.