reposeful

adjective2

1. •
   Providing repose, restful.

   • The reposeful, easy, affluent life to which her mother's marriage had introduced her was, in truth, the beginning of a great change in Elizabeth. — 1886
2. •
   Having an appearance of repose, peaceful.

   • […] he showed in face that humane look of reposeful good nature which the Greek sculptor in some instances gave to his heroic strong man, Hercules. — 1924