Source : Webster's Revised Unabridged Dictionary (1913)

Disablement \Dis*a"ble*ment\, n.
   Deprivation of ability; incapacity. --Bacon.

Source : WordNet®

disablement
     n : the condition of being unable to perform as a consequence of
         physical or mental unfitness; "reading disability";
         "hearing impairment" [syn: {disability}, {handicap}, {impairment}]