clericalism

from WordNet (r) 3.0 (2006)

clericalism
    n 1: a policy of supporting the influence and power of the
         clergy in secular or political matters

from The Collaborative International Dictionary of English v.0.48

Clericalism \Cler"ic*al*ism\, n.
   An excessive devotion to the interests of the sacerdotal
   order; undue influence of the clergy; sacerdotalism.
   [1913 Webster]