How to sign: the act of installing something (as equipment)
"the telephone installation took only a few minutes";
Similiar / Same: installing, instalment, installment
Categories: beginning, commencement, start
How to sign: a formal entry into an organization or position or office
"his initiation into the club"; "he was ordered to report for induction into the army"; "he gave a speech as part of his installation into the hall of fame";
Similiar / Same: initiation, induction
Categories: ceremonial, ceremonial occasion, ceremony, observance
Within this category: bar mitzvah, bat mitzvah, coronation, inauguration