English to English

noun (n)

• (poetic) tranquil silence(noun.attribute)

  Synonym:
  hush, still
  

  source: wordnet30
• calmness without winds(noun.state)

  Synonym:
  windlessness
  

  source: wordnet30
• a state of no motion or movement(noun.state)

  Synonym:
  lifelessness, motionlessness
  Antonym:
  motion
  

  source: wordnet30
• The quality or state of being still; quietness; silence; calmness; inactivity.(noun)

  source: webster1913