noun (n)

• calm and unruffled self-assurance(noun.feeling)

  Example:
  He performed with all the coolness of a veteran.
  

  Synonym:
  imperturbability, imperturbableness
  

  source: wordnet30
• the property of being moderately cold(noun.attribute)

  Synonym:
  chilliness, nip
  

  source: wordnet30
• fearless self-possession in the face of danger(noun.attribute)

  Synonym:
  nervelessness
  

  source: wordnet30
• a lack of affection or enthusiasm(noun.attribute)

  Synonym:
  chilliness, coldness, frigidity, frigidness, iciness
  

  source: wordnet30
• The state of being cool; a moderate degree of cold; a moderate degree, or a want, of passion; want of ardor, zeal, or affection; calmness.(noun)

  source: webster1913