triumphalism[trī um′fəl iz′əm]
triumphalism definition by Webster's New World
a proud, often arrogant confidence in the validity and success of a set of beliefs, often, specif., religious beliefs
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- triumphalist adjective, noun
triumphalism definition by American Heritage Dictionary
The attitude or belief that a particular doctrine, especially a religion or political theory, is superior to all others.
- tri·umphˈal·ist noun