Pronunciation: (ri-vizh'u-niz"um), [key]
1. advocacy or approval of revision.
2. any departure from Marxist doctrine, theory, or practice, esp. the tendency to favor reform above revolutionary change.
3. a departure from any authoritative or generally accepted doctrine, theory, practice, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.