noun (n)

• a state of quiet (but possibly temporary) inaction(noun.state)

  Example:
  The volcano erupted after centuries of dormancy.
  

  Synonym:
  quiescence, quiescency
  

  source: wordnet30
• quiet and inactive restfulness(noun.act)

  Synonym:
  quiescence, quiescency, sleeping
  

  source: wordnet30
• The state of being dormant; quiescence; abeyance.(noun)

  source: webster1913