effect

n 1: a phenomenon that follows and is caused by some previous phenomenon; "the magnetic effect was greater when the rod was lengthwise"; "his decision had depressing consequences for business"; "he acted very wise after the event" syn consequence, outcome, result, event, issue, upshot

2: an outward appearance; "he made a good impression"; "I wanted to create an impression of success"; "she retained that bold effect in her reproductions of the original painting" syn impression

3: (of a law) having legal validity; "the law is still in effect" syn force

4: a symptom caused by an illness or a drug; "the effects of sleep loss"; "the effect of the anesthetic"

5: an impression (especially one that is artificial or contrived); "he just did it for effect"

6: the central meaning or theme of a speech or literary work syn essence, burden, core, gist

v 1: produce; "The scientists set up a shockwave" syn effectuate, bring about, set up

2: act so as to bring into existence; "effect a change"

Source: WordNet. Princeton University