noun (n)

• a formal entry into an organization or position or office(noun.event)

  Example:
  His initiation into the club.
  

  Synonym:
  induction, installation
  

  source: wordnet30
• the act of starting something for the first time; introducing something new(noun.act)

  Example:
  She looked forward to her initiation as an adult.
  

  Synonym:
  creation, foundation, founding, innovation, instauration, institution, introduction, origination
  

  source: wordnet30
• wisdom as evidenced by the possession of knowledge(noun.attribute)

  Example:
  His dullness was due to lack of initiation.
  

  Synonym:
  knowledgeability, knowledgeableness
  

  source: wordnet30
• an act that sets in motion some course of events(noun.act)

  Synonym:
  induction, trigger
  

  source: wordnet30
• The act of initiating, or the process of being initiated or introduced; as, initiation into a society, into business, literature, etc.(noun)

  source: webster1913