What do you call the proccess that names a person or a saint?

The process of naming a person or a saint is called "nomenclature." In the context of saints, it often involves the canonization process, during which a person is officially recognized and named as a saint by the Church. This includes the investigation of their life, virtues, and miracles attributed to them. Additionally, the naming of individuals typically falls under the broader concept of "naming conventions" in various cultural and social contexts.