adjective/ʁe.vɔ.ly.sjɔ.nɛʁ/
of a revolution (in government); revolutionary; groundbreaking
“Par [É]tat il [Bakounine] entend tout pouvoir politique, révolutionnaire on^([sic – meaning ou]) réactionnaire,[…]” — By the state he [Bakunin] means all political power, revolutionary or reactionary, […]
From révolution + -aire.