Definitions of initiation:

• noun:   the act of starting something for the first time; introducing something new

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

• noun:   a formal entry into an organization or position or office

  Example: "His initiation into the club"

• noun:   an act that sets in motion some course of events
• noun:   wisdom as evidenced by the possession of knowledge

  Example: "His dullness was due to lack of initiation"