THESAURUS
abhorrent, antiphonal, cataclysmic, catastrophic, insurrectionary, invidious, obnoxious, radical, reacting, reactionary, reactive, reflex, reflexive, refluent, repellent, respondent, responding, responsive, retroactionary, retroactive, revolutional, revolutionary, revulsionary, sweeping, transilient
ROGET THESAURUS
Reversion
N
reversion, return, revulsion, turning point, turn of the tide, status quo ante bellum, calm before a storm, alternation, inversion, recoil, retreat, regression, retrogression, restoration, relapse, recidivism, atavism, vicinism, reverting, regressive,
revulsive, reactionary, retrorse, a rebours.