broaden definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
transitive verb, intransitive verb
to widen; expand
broaden definition by American Heritage Dictionary
tr. & intr.v. broad·ened, broad·en·ing, broad·ens
To make or become broad or broader.
- broadˈen·er noun