/i nish'ee ay"sheuhn/ , n.
1. formal admission or acceptance into an organization or club, adult status in one's community or society, etc.
2. the ceremonies or rites of admission. Cf. rite of passage .
3. the act of initiating.
4. the fact of being initiated.
[ 1575-85; initiation- (s. of initiatio ). See INITIATE, -ION ]