unbend
un.bend \.*n-'bend, '*n-\ vt 1: to free from flexure : make or allow to become straight {~ a bow} 2: to cause (as the mind) to relax 3a: to unfasten (as a sail) from a spar or stay 3b: to cast loose or untie (as a rope) 1: to relax one's severity, stiffness, or austerity 2: to cease to be bent : become straight or relaxed