Source : Webster's Revised Unabridged Dictionary (1913)

Methodism \Meth"o*dism\, n. (Eccl.)
   The system of doctrines, polity, and worship, of the sect
   called Methodists. --Bp. Warburton.

Source : WordNet®

Methodism
     n : the religious beliefs and practices of Methodists
         characterized by concern with social welfare and public
         morals