tranquillity

noun

The state or character of being tranquil; quietness; serenity; freedom from disturbance or agitation; calmness.

Synonyms Quiet, Peace, etc. (see rest), serenity, placidness, calm, stillness.

The quality or state of being tranquil; calmness; composure.

The state of being tranquil.

The absence of disturbance; peacefulness.