noun (n)

• the act of admitting someone to enter(noun.act)

  Example:
  The surgery was performed on his second admission to the clinic.
  

  Synonym:
  admittance
  

  source: wordnet30
• an acknowledgment of the truth of something(noun.communication)

  source: wordnet30
• the fee charged for admission(noun.possession)

  Synonym:
  admission charge, admission fee, admission price, entrance fee, entrance money, price of admission
  

  source: wordnet30
• the right to enter(noun.attribute)

  Synonym:
  access, accession, admittance, entree
  

  source: wordnet30
• The act or practice of admitting.(noun)

  source: webster1913