Reactionaries resist change. They cling to the "good old days" and fear that any change will be bad.
Liberals love change. They believe any change has got to be an improvement over the sad state of affairs that exists in the world today.
Progressives anticipate change. They believe change is inevitable and want to influence the direction change takes them.
A Progressive uses values, morals, reason, wisdom, and ideals to shape change for making a better world.