noun Date: 1892 the principles, beliefs, or practices of progressives, the political and economic doctrines advocated by the Progressives, the theories of progressive education, progressivist noun or adjective progressivistic adjective
PROGRESSIVISM
Meaning of PROGRESSIVISM in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012