The Collaborative International Dictionary of English v.0.48:

Mohammedanize \Mo*ham"med*an*ize\, Mohammedize \Mo*ham"med*ize\
,  prop. v. t.
   To make conformable to the principles, or customs and rites,
   of Mohammedanism. [Written also Mahometanize.]
   [1913 Webster]