effect a change.
he acted very wise after the event.
he just did it for effect.
he made a good impression.
his decision had depressing consequences for business.
I wanted to create an impression of success.
she retained that bold effect in her reproductions of the original painting.
the effect of the anesthetic.
the effects of sleep loss.
the law is still in effect.
the magnetic effect was greater when the rod was lengthwise.
The scientists set up a shock wave.