Definition of effect verb from the Oxford Advanced American Dictionary

 

effect

 verb
verb
NAmE//ɪˈfɛkt//
 
effect something(formal)Verb Forms present simple I / you / we / they effect
 
he / she / it effects
 
past simple effected
 
-ing form effecting
 
 
jump to other results
to make something happen to effect a cure/change/recovery Which Word?affect / effectaffectverb = “to have an influence on someone or something”:Does television affect children’s behavior?It is not a noun.effectnoun = “result, influence”:Does television have an effect on children’s behavior?effectverb is formal and means “to achieve or produce”:The negotiators hope to effect a reconciliation. Governments have the tools to use to effect change.
See the Oxford Advanced Learner's Dictionary entry: effect