Progressive
Part of speech: noun
Definition: A person who actively favors or strives for progress towards improved conditions, as in society or government. A progressive verb.
Part of speech: adjective
Definition: Favouring or promoting progress; advanced. Gradually advancing in extent; increasing. Promoting or favoring progress towards improved conditions or new policies, ideas or methods. Of or relating to progressive education. Increasing in rate as the taxable amount increases. Advancing in severity.
Example sentence: Unless our conception of patriotism is progressive, it cannot hope to embody the real affection and the real interest of the nation.
Reformist
Part of speech: noun
Definition: An advocate of reform of any institution.One who advocates reform in the Church of England; a Reformer.An advocate or supporter of political reform in the United Kingdom. (Common c 1792 to 1830.)
Part of speech: adjective
Definition: advocating political reform