Quietness

n.

1.

The quality or state of being quiet; freedom from noise, agitation, disturbance, or excitement; stillness; tranquillity; calmness. I would have peace and quietness. - Shak.

Noun	1.	quietness - the property of making no sound Synonyms: soundlessness
	2.	quietness - a state of peace and quiet Synonyms: quietude, tranquility, tranquillity

ataraxis, calmness, easiness, heartsease, peace, peace of mind, peacefulness, quietude, relaxation, repose, serenity, tranquility, tranquillity