i ‧ ni ‧ ti ‧ a ‧ tion AC /ɪˌnɪʃiˈeɪʃ ə n/ BrE AmE noun [uncountable and countable]
[ Word Family: verb : ↑ initiate ; noun : ↑ initiation ]
1 . the process of officially introducing someone into a club or group, or of introducing a young person to adult life, often with a special ceremony:
The club has an initiation ceremony for new members.
initiation rite/ritual
initiation rituals for young boys at puberty
initiation into
rites of initiation into their religion
2 . the act of starting something such as an official process, a new plan etc
initiation of
the initiation of criminal proceedings