Effort /(?)/

Ef·fort

Effort

n.
  1. An exertion of strength or power, whether physical or mental, in performing an act or aiming at an object; more or less strenuous endeavor; struggle directed to the accomplishment of an object; as, an effort to scale a wall.
    We prize the stronger effort of his power.
  2. A force acting on a body in the direction of its motion. (Mech.)

Effort

v. t.
  1. To stimulate. [Obs.]