The Collaborative International Dictionary of English v.0.48:

Semi-Pelagianism \Sem`i-Pe*la"gi*an*ism\
   (s[e^]m`[i^]*p[-e]*l[=a]"j[i^]*an*[i^]z'm), n.
   The doctrines or tenets of the Semi-Pelagians.
   [1913 Webster]