noun (n)

• the act of liberating someone or something(noun.act)

  Synonym:
  freeing, release
  

  source: wordnet30
• the attempt to achieve equal rights or status(noun.act)

  Example:
  She worked for women's liberation.
  

  source: wordnet30
• the termination of someone's employment (leaving them free to depart)(noun.act)

  Synonym:
  discharge, dismissal, dismission, firing, release, sack, sacking
  

  source: wordnet30
• The act of liberating or the state of being liberated.(noun)

  source: webster1913