canonization

• canonisation (UK)

From canonize +‎ -ation.

• Audio (US):

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canonization (countable and uncountable, plural canonizations)

1. (Christianity) The final process or decree (following beatification) by which the name of a deceased person is placed in the catalogue (canon) of saints and commended to perpetual veneration and invocation.
2. The state of being canonized or sainted.
3. Introduction into a canon of artistic or literary works.

• canonization on Wikipedia.Wikipedia