relaxation

noun7

1. •
   The act of relaxing or the state of being relaxed; the opposite of stress or tension; the aim of recreation and leisure activities.
2. •
   Unbending; recreation; a state or occupation intended to give mental or bodily relief after effort.
3. •
   A diminution of tone, tension, or firmness; specifically in pathology: a looseness; a diminution of the natural and healthy tone of parts.
4. •
   Remission or abatement of rigor.
5. •
   Remission of attention or application.

   • relaxation of efforts
6. •
   The transition of a nucleus, atom or molecule from a higher energy level to a lower one; the opposite of excitation
7. •
   The release following musical tension.