Source : Webster's Revised Unabridged Dictionary (1913)

Stupefaction \Stu`pe*fac"tion\, n. [Cf. F. stup['e]faction. See
   {Stupefacient}.]
   The act of stupefying, or the state of being stupefied.
   [Written also {stupifaction}.]

         Resistance of the dictates of conscience brings a
         hardness and stupefaction upon it.       --South.