[1] : The Collaborative International Dictionary of English v.0.48

consumption \consump"tion\ ?; 215, n. l. consumptio: cf. f.
   consomption.
   1. the act or process of consuming by use, waste, etc.;
      decay; destruction.
      1913 webster

            every new advance of the price to the consumer is a
            new incentive to him to retrench the quality of his
            consumption.                          --burke.
      1913 webster

   2. the state or process of being consumed, wasted, or
      diminished; waste; diminution; loss; decay.
      1913 webster

   3. med. a progressive wasting away of the body; esp., that
      form of wasting, attendant upon pulmonary phthisis and
      associated with cough, spitting of blood, hectic fever,
      etc.; pulmonary phthisis; -- called also pulmonary
      consumption.
      1913 webster

   consumption of the bowels med., inflammation and
      ulceration of the intestines from tubercular disease.

   syn: decline; waste; decay. see decline.
        1913 webster
see also:
pulmonary consumption consumption of the bowels decline 

[2] : WordNet (r) 2.0

consumption
     n 1: the process of taking food into the body through the mouth
          as by eating syn: ingestion, intake, uptake
     2: involving the lungs with progressive wasting of the body
        syn: pulmonary tuberculosis, phthisis, wasting
        disease, white plague
     3: economics the utilization of economic goods to satisfy
        needs or in manufacturing; "the consumption of energy has
        increased steadily" syn: economic consumption, usance,
         use, use of goods and services
     4: the act of consuming something syn: using up, expenditure
see also:
ingestion intake uptake pulmonary tuberculosis phthisis wasting disease 
white plague economic consumption usance use use of goods and services 
using up expenditure 

[3] : Moby Thesaurus II by Grady Ward, 1.0

149 moby thesaurus words for "consumption":
   sanforizing, tb, ablation, active use, aerogenic tuberculosis,
   appetite, appliance, application, atrophy, attenuation, attrition,
   bloodbath, blue ruin, breakup, cannibalism, carnage, carnivorism,
   carnivority, carnivorousness, cerebral tuberculosis, chewing,
   colliquation, corrosion, cropping, damnation, decimation, decrease,
   decrement, deglutition, deliquescence, depletion, depreciation,
   depredation, desolation, despoilment, despoliation, destruction,
   devastation, devouring, devourment, dieting, dining,
   disintegration, disorganization, disruption,
   disseminated tuberculosis, dissipation, dissolution, drain, drying,
   drying up, eating, emaceration, emaciation, employ, employment,
   epulation, erosion, evaporation, exercise, exertion, exhaustion,
   expenditure, feasting, feeding, gluttony, gobbling, good use,
   grazing, hard usage, hard use, havoc, hecatomb, herbivorism,
   herbivority, herbivorousness, holocaust, hunger, ill use,
   impoverishment, ingestion, leakage, licking, loss, lupus vulgaris,
   manducation, marcescence, mastication, messing, misuse, munching,
   nibbling, nutrition, omnivorism, omnivorousness, omophagy,
   pantophagy, parching, pasture, pasturing, pecking, perdition,
   phthisis, preshrinkage, pulmonary tuberculosis, ravage, regalement,
   relishing, rough usage, ruin, ruination, rumination, savoring,
   scrofula, scrofuloderma, searing, shambles, shrinkage, shrinking,
   shriveling, slaughter, spoliation, tasting, thinning, tuberculosis,
   tuberculosis cutis, tuberculosis luposa, tuberculous meningitis,
   undoing, usage, use, using, using up, vandalism, vegetarianism,
   wastage, waste, wasting, wear and tear, wearing, wearing away,
   white plague, wilting, withering, wolfing, wrack, wrack and ruin,
   wreck, wrong use

Consumption >> C Words
Consumption, definition of term: Consumption
consumption_pag1.html

Consumption Goo >> C Words
Consumption Goo, definition of term: Consumption Goo
consumption+goo_pag1.html