Answer: overturn

AnswerCrossword Clue
OVERTURNReverse, legally
OVERTURNCapsize
OVERTURNUpset
OVERTURNReverse
OVERTURNCapsize.
OVERTURNSubvert basketball gaffe
OVERTURNTopple
OVERTURNExecute a coup
OVERTURNREVO
overturnTip (something) over so that it is on its side or upside down
overturnAbolish, invalidate, or turn around (an established fact, system, etc.)
overturnTurn over and come to rest upside down, typically as the result of an accident
overturnto turn over
overturnReverse (a legal decision)