Noun initiation has 4 senses
  1. initiation, induction, installation - a formal entry into an organization or position or office; "his initiation into the club"; "he was ordered to report for induction into the army"; "he gave a speech as part of his installation into the hall of fame"
    --1 is a kind of ceremony, ceremonial, ceremonial occasion, observance
    --1 has particulars:
     inauguration, inaugural; coronation, enthronement, enthronization, enthronisation, investiture; bar mitzvah; bat mitzvah, bath mitzvah, bas mitzvah
    Derived form: verb initiate3
  2. initiation, founding, foundation, institution, origination, creation, innovation, introduction, instauration - the act of starting something for the first time; introducing something new; "she looked forward to her initiation as an adult"; "the foundation of a new scientific society"; "he regards the fork as a modern introduction"
    --2 is a kind of beginning, start, commencement
    --2 has particulars: authorship, paternity
    Derived forms: verb initiate1, verb initiate2
  3. knowledgeability, knowledgeableness, initiation - wisdom as evidenced by the possession of knowledge; "his knowledgeability impressed me"; "his dullness was due to lack of initiation"
    --3 is a kind of wisdom, wiseness
  4. trigger, induction, initiation - an act that sets in motion some course of events
    --4 is a kind of causing, causation
    --4 has particulars: fomentation, instigation
    Derived forms: verb initiate1, verb initiate5