revisionism

noun

1. advocacy or approval of revision.
2. any departure from Marxist doctrine, theory, or practice, especially the tendency to favor reform above revolutionary change.
3. a departure from any authoritative or generally accepted doctrine, theory, practice, etc.

noun

1. (sometimes capital)
   1. a moderate, nonrevolutionary version of Marxism developed in Germany around 1900
   2. (in Marxist-Leninist ideology) any dangerous departure from the true interpretation of Marx’s teachings
2. the advocacy of revision of some political theory, religious doctrine, historical or critical interpretation, etc
3. (usually capital) an ultra-nationalist form of Zionism that arose in Palestine in the 1940s