n. 1. The quality or state of being still; quietness; silence; calmness; inactivity. [ 1913 Webster ]
Painting, then, was the art demanded by the modern intellect upon its emergence from the stillness of the Middle Ages. J. A. Symonds. [ 1913 Webster ]
2. Habitual silence or quiet; taciturnity. [ 1913 Webster ]
The gravity and stillness of your youth The world hath noted. Shak. [ 1913 Webster ]