puritanism

from WordNet (r) 3.0 (2006)

Puritanism
    n 1: the beliefs and practices characteristic of Puritans (most
         of whom were Calvinists who wished to purify the Church of
         England of its Catholic aspects)
    2: strictness and austerity in conduct and religion

from The Collaborative International Dictionary of English v.0.48

Puritanism \Pu"ri*tan*ism\, n.
   The doctrines, notions, or practice of Puritans.
   [1913 Webster]