A sign - If the Angel ate of Gideon’s present it would be a conclusive proof of the reality of the vision. (Compare John 21:9-13; Luke 24:37-43; Acts 10:41.) It would also be a token of God’s goodwill to Gideon. Compare Genesis 18:3.
Related Commentaries of Judges 6:17
Judges 6:17
17 And he said unto him, If now I have found grace in thy sight, then shew me a sign that thou talkest with me.