to utilize, especially for profit; turn to practical account: to exploit a business opportunity.
2.
to use selfishly for one's own ends: employers who exploit their workers.
3.
to advance or further through exploitation; promote: He exploited his new movie through a series of guest appearances.
Origin: 1375–1425; < French exploiter, derivative of exploit (noun); replacing late Middle English expleiten to achieve < Anglo-French espleiter, derivative of espleit (noun). See exploit1
M.E. espleiten, esploiten "to accomplish;" the sense of "use selfishly" first recorded 1838, as an adoption of Fr. exploiter. See exploit (n.). Related: Exploited; exploiting. As an adjective form, exploitative (1882) is from French; exploitive (by 1859) appears to be a native formation