Social process of neutralizing the influence of Joseph Stalin by revising his policies and removing monuments dedicated to him and renaming places named in his honor WordNet 3.0 & Open English WordNet

De-Stalinization comprised a series of political reforms in the Soviet Union after the death of long-time leader Joseph Stalin in 1953, and the thaw brought about by ascension of Nikita Khrushchev to power, and his 1956 secret speech "On the Cult of Personality and Its Consequences", which denounced Stalin's cult of personality and the Stalinist political system. Wikipedia

A series of political reforms in the Soviet Union under Premier Nikita Khrushchev Wikidata

The process, begun by Nikita Khrushchev, of discrediting and then reforming the policies of Joseph Stalin. Wiktionary

Process of discrediting and the reforming the policies of Joseph Stalin. Wiktionary (translation)