Canonize

verb

1. To declare (a deceased person) as a saint, and enter them into the canon of saints.

   "Thomas Becket was canonized in 1173."

2. To regard as a saint; to glorify, to exalt to the highest honour.
3. To formally declare (a piece of religious writing) to be part of the biblical canon.
4. (by extension) To regard (an artistic or written work) as one of a group of works representative of a particular field.
5. Especially of a church: to give official approval to; to authorize, to sanction.