Exertion
Pronunciation : Ex*er"tion
Part of Speech : n.
Definition : Defn: 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.
Source : Webster's Unabridged Dictionary, 1913