Priestism, which refers to the doctrine and practices of a priest, has many synonyms. One of them is clericalism, which indicates excessive reverence for or influence of the clergy over laypeople. Another synonym is priesthood, which pertains to the office or status of a priest. The term spiritual leadership can also denote the same idea, suggesting a hierarchical system of guidance or authority based on religious or spiritual beliefs. Another synonym is clerisy, which refers to the educated or intellectual class, often associated with the religious clergy. Similarly, hierarchism describes a system of rank or order, often based on religious or social status. Overall, these synonyms all revolve around the concept of religious authority or leadership.