revolutionary

Of or pertaining to a revolution in government; tending to, or promoting, revolution

revolutionary war

revolutionary measures

Of or pertaining to something that portends of great change; overthrowing a standing mindset

a revolutionary new tool

Of or pertaining to something that revolves.

A revolutionist; a person who revolts.

"The Chengtu revolutionaries were fantastically colourful in the Szechwanese manner—they costumed themselves as heroes of the stage and their energies were chiefly occupied in tying ropes across the main streets so that when Imperial officials rode by in their litters they would have to get down and crawl under, losing face.

Chopin's 'Revolutionary Etude' Op. 10 no. 12.