[n] a brilliant and notable success [n] a sudden and decisive change of government illegally or by force
coup d'etat, putsch, takeover
abduction, accomplished fact, accomplishment, achievement, act, acta, action, ad hoc measure, adventure, answer, apprehension, arrest, arrestation, art, artful dodge, artifice, blind, blow, breath, capture, catch, catching, chicanery, collaring, conspirac