Definition of "Effect" :

noun: an outward appearance

"She retained that bold effect in her reproductions of the original painting."

noun: (of a law) having legal validity

"The law is still in effect."

noun: an impression (especially one that is artificial or contrived)

"He just did it for effect."

noun: the central meaning or theme of a speech or literary work

noun: a phenomenon that follows and is caused by some previous phenomenon

"The magnetic effect was greater when the rod was lengthwise."

noun: a symptom caused by an illness or a drug

"The effects of sleep loss."

verb: produce

verb: act so as to bring into existence

"Effect a change."