Let him turn — Lest whilst be shewed some mercy to Absalom, he should seem to approve of his sin. Likewise by this means Absalom might be drawn to a more thorough humiliation and repentance.
Related Commentaries of 2 Samuel 14:24
2 Samuel 14:24
24 And the king said, Let him turn to his own house, and let him not see my face. So Absalom returned to his own house, and saw not the king's face.