Source : Webster's Revised Unabridged Dictionary (1913)

Disenchantment \Dis`en*chant"ment\, n. [Pref. dis- +
   enchantment: cf. F. d['e]senchantement.]
   The act of disenchanting, or state of being disenchanted.
   --Shelton.

Source : WordNet®

disenchantment
     n : freeing from false belief or illusions [syn: {disillusion},
         {disillusionment}]