Source : Webster's Revised Unabridged Dictionary (1913)

Freethinker \Free"think`er\, n.
   One who speculates or forms opinions independently of the
   authority of others; esp., in the sphere or religion, one who
   forms opinions independently of the authority of revelation
   or of the church; an unbeliever; -- a term assumed by deists
   and skeptics in the eighteenth century.

         Atheist is an old-fashioned word: I'm a freethinker,
         child.                                   --Addison.

   Syn: Infidel; skeptic; unbeliever. See {Infidel}.

Source : WordNet®

freethinker
     n : a person who believes that God created the universe and then
         abandoned it [syn: {deist}]