Confirm thy words - “Establish” them, by giving a second testimony. Nathan thinks it best to move David’s affections first through Bath-sheba, before he comes in to discuss the matter as one of state policy, and to take the king’s orders upon it.
Related Commentaries of 1 Kings 1:14
1 Kings 1:14
14 Behold, while thou yet talkest there with the king, I also will come in after thee, and confirmd thy words.