Effort

Part of speech: noun (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. Pope.

2. A force acting on a body in the direction of its motion. Rankine.

Synonyms: Endeavor; exertion; struggle; strain; straining; attempt; trial; essay. See Attempt.

Part of speech: verb (v.)

To stimulate. [Obs.] "He efforted his spirits." Fuller.