effect in WordNet English dictionary

1. the central meaning or theme of a speech or literary work
   effect  essence  burden  core  gist 
   
2. 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"
   consequence  effect  outcome  result  event  issue  upshot 
   
3. 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"
   impression  effect 
   
4. (of a law) having legal validity
   "the law is still in effect"
   effect  force 
   
5. an impression (especially one that is artificial or contrived)
   "he just did it for effect"
   effect 
   
6. a symptom caused by an illness or a drug
   "the effects of sleep loss"; "the effect of the anesthetic"
   effect 
   

1. produce
   "The scientists set up a shock wave"
   effect  effectuate  set up 
   
2. act so as to bring into existence
   "effect a change"
   effect