tranquilness
/ˈtræŋkwɪlnəs/
noun
- The quality or state of being calm, peaceful, and free from disturbance.
- The tranquilness of the lake at dawn made her feel completely at ease.
- The yoga class began with a moment of tranquilness to help everyone relax.
- After a long week of work, he enjoyed the tranquilness of his garden.