To use the right to buy or sell something, renew a contract, etc. under the terms of (an option contract)
Wield is defined as to handle a tool, weapon or power with skill.
To consume, expend, or exhaust by use
To aim a weapon at a target.
To produce with effort and against one's will:
To struggle or fight forcefully; contend:
To damage by drawing, stretching, or the exertion of force.
Maintain is defined as to keep in a current state in order to prevent from failing or breaking or to carry on or to support or provide.
To force one's way (into, through, etc.)
To do work with; wield or use (a tool, faculty, etc.), esp. with energy
To lay out; spend:
To be the cause of; bring about; make happen; effect, induce, produce, compel, etc.
Find another word for exert. In this page you can discover 20 synonyms, antonyms, idiomatic expressions, and related words for exert, like: put forth, exercise, apply, wield, use, put out, bring-to-bear, influence, impose, force and strive.