Exploit

1. Combat; war.
2. To utilize; to make available; to get the value or usefulness out of; as, to exploit a mine or agricultural lands; to exploit public opinion.
3. Hence: To draw an illegitimate profit from; to speculate on; to put upon.
4. A deed or act; especially, a heroic act; a deed of renown; an adventurous or noble achievement; as, the exploits of Alexander the Great.