Unbend

1. v. i. To relax in exertion, attention, severity, or the like; hence, to indulge in mirth or amusement.
2. v. t. To free from flexure; to make, or allow to become, straight; to loosen; as, to unbend a bow.
3. v. t. A remit from a strain or from exertion; to set at ease for a time; to relax; as, to unbend the mind from study or care.
4. v. t. To unfasten, as sails, from the spars or stays to which they are attached for use.
5. v. t. To cast loose or untie, as a rope.
6. v. i. To cease to be bent; to become straight or relaxed.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.