Clericalism

noun

1. A policy of supporting the power and influence of the clergy in political or secular matters.
2. Clerical power or influence; especially, the undue influence of the clergy, or support of such influence; sacerdotalism.
3. An excessive devotion to the interests of the sacerdotal order; undue influence of the clergy; sacerdotalism.
4. political or secular power invested in members of the clergy.
5. a policy of supporting the influence and power of the clergy in secular or political matters