the king: The kiss was the token of friendship and farewell; the blessing was a prayer to God for his prosperity. Probably a prophetical benediction.
kissed Barzillai: Genesis 31:55, Genesis 45:15; Ruth 1:14; 1 Kings 19:20; Acts 20:37; 1 Thessalonians 5:26
blessed: 2 Samuel 6:18, 2 Samuel 6:20, 2 Samuel 13:25; Genesis 14:19, Genesis 28:3, Genesis 47:7, Genesis 47:10; Luke 2:34
returned: Genesis 31:55; Numbers 24:25; 1 Samuel 24:22