Answer: initiating

AnswerCrossword Clue
initiatingAdmit (someone) into a secret or obscure society or group, typically with a ritual
initiatingIntroduce someone to (a particular activity or skill), esp. a difficult or obscure one
initiatingCause (a process or action) to begin
initiatingA small group of people who share obscure knowledge
initiatingINITIATE, to begin or start