noun (n)

• lack of an intervening or mediating agency(noun.attribute)

  Example:
  The immediacy of television coverage.
  

  Synonym:
  immediateness
  Antonym:
  mediacy, mediateness
  

  source: wordnet30
• immediate intuitive awareness(noun.cognition)

  Synonym:
  immediate apprehension
  

  source: wordnet30
• the quickness of action or occurrence(noun.attribute)

  Example:
  The immediacy of their response.
  

  Synonym:
  immediateness, instancy, instantaneousness
  

  source: wordnet30
• The relation of freedom from the interventionof a medium; immediateness.(noun)

  source: webster1913