S: (n) change of state (the act of changing something into something different in essential characteristics)
S: (n) change (the action of changing something) "the change of government had no impact on the economy"; "his change on abortion cost him the election"
S: (n) action (something done (usually as opposed to something said)) "there were stories of murders and other unnatural actions"
S: (n) upset, derangement, overthrow (the act of disturbing the mind or body) "his carelessness could have caused an ecological upset"; "she was unprepared for this sudden overthrow of their normal way of living"
Verb
S: (v) overthrow, subvert, overturn, bring down (cause the downfall of; of rulers) "The Czar was overthrown"; "subvert the ruling class"