What is the meaning of initiate?

noun

• Someone new to a field or activity.
  • synonyms: novice, beginner, tyro, tiro
• Someone who has been admitted to membership in a scholarly field.
  • synonyms: learned person, pundit, savant
• People who have been introduced to the mysteries of some field or activity.
  • usage: "it is very familiar to the initiate"
  • synonyms: enlightened

verb

• Bring into being.
  • usage: "He initiated a new program"; "Start a foundation"
  • synonyms: originate, start
• Take the lead or initiative in; participate in the development of.
  • usage: "This South African surgeon pioneered heart transplants"
  • synonyms: pioneer
• Accept people into an exclusive society or group, usually with some rite.
  • usage: "African men are initiated when they reach puberty"
  • synonyms: induct
• Bring up a topic for discussion.
  • synonyms: broach
• Set in motion, start an event or prepare the way for.
  • usage: "Hitler's attack on Poland led up to World War II"
  • synonyms: lead up