formal admission or acceptance into an organization or club, adult status in one's community or society, etc.

the ceremonies or rites of admission. Compare rite of passage .

the act of initiating.

the fact of being initiated.

noun

close , conclusion , end , ending , finish , termination

noun

admission , baptism , beginning , commencement , debut , enrollment , entrance , inaugural , inauguration , inception , indoctrination , induction , installation , instatement , investiture , preliminaries , incipience , incipiency , launch , leadoff , opening , origination , start , admittance , ceremony , introduction , onset , rite