hush: (poetic) tranquil silence; "the still of the night"
calmness without winds
motionlessness: a state of no motion or movement; "the utter motionlessness of a marble statue"
Stillness is the final album by Sergio Mendes and Brasil '66.
The quality or state of being still; quietness; silence; calmness; inactivity; Habitual silence or quiet; taciturnity
The world is 99% stillness and 1% form. It is because of the infinite silence of the forest that you can hear the sweet song of a bird chirping. If the forest was filled with noise, it would be impossible to hear anything in particular. ...
as Sixth Sense, with Karlton Hester, Stephen Nachmanovitch, and Stephanie Phillips 2009.