Ex*er"tion (?), n. The act of
exerting, or putting into motion or action; the active exercise of
any power or faculty; an effort, esp. a laborious or perceptible
effort; as, an exertion of strength or power; an
exertion of the limbs or of the mind; it is an exertion
for him to move, to-day.
Syn. -- Attempt; endeavor; effort; essay; trial. See
Attempt.