WordNet sense 1 (cause the downfall of; of rulers):

overthrow, subvert, bring down

WordNet sense 2 (cause to overturn from an upright or normal position):

upset, upset, turn over, knock over, bowl over, tip over, tump over

WordNet sense 3 (annul by recalling or rescinding):

annul, countermand, lift, repeal, rescind, reverse, revoke, vacate

WordNet sense 4 (rule against):

override, overrule

WordNet sense 5 (the act of upsetting something):

turnover

WordNet sense 6 (change radically):

revolutionize, revolutionise