Definition of reform noun from the Oxford Advanced Learner's Dictionary
reform
noun
rɪˈfɔːm rɪˈfɔːrm
[uncountable, countable]change that is made to a social system, an organization, etc. in order to improve or correct ita government committed to reformeconomic/electoral/constitutional, etc. reformthe reform of the educational systemreforms in educationfar-reaching/major/sweeping reforms