noun (n)

• a feeling of strong eagerness (usually in favor of a person or cause)(noun.feeling)

  Synonym:
  ardor, ardour, zeal
  

  source: wordnet30
• distinctive and stylish elegance(noun.attribute)

  Synonym:
  dash, flair, panache, style
  

  source: wordnet30
• enthusiastic and assured vigor and liveliness(noun.attribute)

  Example:
  A performance of great elan and sophistication.
  

  source: wordnet30