(Roman Catholic and Eastern Orthodox Church) the act of admitting a deceased person into the canon of saints WordNet 3.0 & Open English WordNet

Canonization is the declaration of a deceased person as an officially recognized saint, specifically, the official act of a Christian communion declaring a person worthy of public veneration and entering their name in the canon catalogue of saints, or authorized list of that communion's recognized saints. Wikipedia

Process of declaring saints. Wikipedia Disambiguation

canonization status Wikidata

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. Wiktionary

The final process or decree. Wiktionary (translation)