contentment

noun3

1. •
   The state or degree of being contented or satisfied.

   • Then they got out their boat from the boat-house, sculled down the river home, and at a very late hour sat down to supper in their own cosy riverside parlour, to the Rat's great joy and contentment. — 1908
2. •
   Happiness in one's situation; satisfaction
3. •
   The neurophysiological experience of satisfaction and being at ease in one's situation, body, and/or mind.