revisionism

1. (historiography) The advocacy of a revision of some accepted theory, doctrine or a view of historical events.Examples: "Tories spent last week boldly whistling their unique brand of the kind of historical revisionism that has played a major part in getting us here."; "As for Jones’s performance as Mandy Cohen, it united two leading facets of the funnyman’s repertoire: his fondness for female impersonation, and his passion for historical revisionism."; "Meanwhile, Holocaust survivors are dying every day. There are few left to protest the new revisionism."countableuncountable

2. (Marxism, derogatory) An evolutionary form of Marxism, abandoning some of its original principles.Marxismcountablederogatoryuncountable