What is another word for progressive?

accelerating, advanced, advancing, avant-garde*, bleeding-heart, broad, broad-minded, continuing, continuous, developing, dynamic, enlightened, enterprising, escalating, forward-looking, go-ahead, gradual, graduated, increasing, intensifying, left of center, left, lenient, modern, ongoing, onward, open-minded, radical, reformist, revolutionary, tolerant, up-and-coming, up-to-date, wide