relax

verb9

1. •
   to rest and become calm, free from worry about work or problems

   • I like to relax by listening to music.
2. •
   To relieve (someone or someone's mind) of stress; to enable to rest; to calm down.

   • Amusement relaxes the mind.
3. •
   To make something less severe or tense.

   • to relax one's attention or endeavours
4. •
   To become less severe or tense.

   • Tensions between the two countries have relaxed somewhat in recent weeks.
5. •
   To make something (such as codes and regulations) more lenient.

   • The statute of mortmain[…] was at several times relaxed by the legislature. — 1713
6. •
   To become more lenient.
7. •
   To make something loose.

   • to relax the muscles or sinews
8. •
   To become loose.
9. •
   (old-fashioned) To relieve from constipation; to loosen; to open.

   • An aperient relaxes the bowels.