noun (n)

• the state of being present; current existence(noun.state)

  Example:
  He tested for the presence of radon.
  

  source: wordnet30
• the immediate proximity of someone or something(noun.location)

  Example:
  She blushed in his presence.
  He sensed the presence of danger.
  

  Synonym:
  front
  

  source: wordnet30
• an invisible spiritual being felt to be nearby(noun.person)

  source: wordnet30
• the impression that something is present(noun.cognition)

  Example:
  He felt the presence of an evil force.
  

  source: wordnet30
• dignified manner or conduct(noun.attribute)

  Synonym:
  bearing, comportment, mien
  

  source: wordnet30
• the act of being present(noun.act)

  Antonym:
  absence
  

  source: wordnet30
• The state of being present, or of being within sight or call, or at hand; -- opposed to absence.(noun)

  source: webster1913