Definition of "stillness"

stillness

/ˈstɪlnəs/

noun
countable and uncountable, plural stillnesses
1. The quality or state of being still.
2. Habitual silence or quiet; taciturnity.
  Quotations
  The grauitie, and ſtillneſſe of your youth / The world hath noted.
  c. 1603–1604 (date written), William Shakespeare, “The Tragedie of Othello, the Moore of Venice”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act II, scene iii], page 320
  Like a heartbeat drives you mad / In the stillness of remembering what you had / And what you lost
  1977, Stevie Nicks (lyrics and music), “Dreams”, in Rumours, performed by Fleetwood Mac