noun (n)

• forceful exertion(noun.attribute)

  Synonym:
  energy, vigor, zip
  

  source: wordnet30
• active strength of body or mind(noun.attribute)

  Synonym:
  dynamism, heartiness, vigor
  

  source: wordnet30
• an imaginative lively style (especially style of writing)(noun.attribute)

  Synonym:
  energy, muscularity, vigor, vim
  

  source: wordnet30