The Collaborative International Dictionary of English v.0.48:

Puseyism \Pu"sey*ism\, n. (Ch. of Eng.)
   The principles of Dr. Pusey and others at Oxford, England, as
   exhibited in various publications, esp. in a series which
   appeared from 1833 to 1841, designated " Tracts for the
   Times;" tractarianism. See Tractarianism.
   [1913 Webster] Puseyistic

WordNet (r) 3.0 (2006):

Puseyism
    n 1: principles of the founders of the Oxford movement as
         expounded in pamphlets called `Tracts for the Times' [syn:
         Tractarianism, Puseyism]