WordNet sense 1 (involving the lungs with progressive wasting of the body):

phthisis, pulmonary tuberculosis, wasting disease, white plague

WordNet sense 2 ((economics) the utilization of economic goods to satisfy needs or in manufacturing):

use, usance, use, economic consumption, use of goods and services

WordNet sense 3 (the process of taking food into the body through the mouth (as by eating)):

ingestion, intake, uptake

WordNet sense 4 (the act of consuming something):

expenditure, using up