Effect

"The right word may be effective, but no word was ever as effective as a rightly timed pause."

"Competition does a much more effective job than government at protecting consumers."

"Economics is a study of cause and effect relationships in an economy."

"The proper utilization of our intelligence and knowledge is to effect changes from within to develop a good heart."

"Each new generation born is in effect an invasion of civilization by little barbarians, who must be civilized before it is too late."