The Collaborative International Dictionary of English v.0.48:

Socinianize \So*cin"i*an*ize\, v. t. [imp. & p. p.
   Socinianized; p. pr. & vb. n. Socinianizing.]
   To cause to conform to Socinianism; to regulate by, or imbue
   with, the principles of Socinianism.
   [1913 Webster] Sociologic