prevail on

Successfully persuade or influence, as in They prevailed on me to speak at their annual luncheon. This term uses prevail in the sense of “exert superior force.” It replaced prevail with in the mid-1600s.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.