Source : Webster's Revised Unabridged Dictionary (1913)

Stultification \Stul`ti*fi*ca"tion\, n.
   The act of stultifying, or the state of being stultified.

Source : WordNet®

stultification
     n 1: derision of someone or something as foolish or absurd or
          inconsistent [syn: {befooling}]
     2: the act of making something futile and useless (as by
        routine) [syn: {constipation}, {impairment}, {deadening}]