revisionism /rɪˈvɪʒəˌnɪzəm/ noun Learner's definition of REVISIONISM
[noncount] formal + often disapproving
: support of ideas and beliefs that differ from and try to change accepted ideas and beliefs especially in a way that is seen as wrong or dishonest修正主义 — revisionist
/rɪˈvɪʒənɪst/ noun, plural revisionists [count]