noun (n)

• the ceremony of installing a new monarch(noun.event)

  Synonym:
  coronation, enthronement, enthronisation, enthronization
  

  source: wordnet30
• the ceremonial act of clothing someone in the insignia of an office; the formal promotion of a person to an office or rank(noun.act)

  Synonym:
  investment
  

  source: wordnet30
• The act or ceremony of investing, or the state of being invested, as with an office; a giving possession; also, the right of so investing.(noun)

  source: webster1913