progressive Synonyms

liberal reformist accelerating forward innovative tolerant increasing step by step continuous imperfect tense modern incremental reform-minded enlightened growing developing advancing imperfect gradual open-minded liberalist forward-looking way-out groundbreaking unimodal up-to-the-minute free-thinking stepwise left wing lefty leftist left-winger meliorative surging successive successional steady socialist serial sequential sequent sustained tense transformative p avant-garde unfolding forward-moving meliorist whig