go against

cancel out correct counterbalance halt negate neutralize offset prevent rectify redress resist thwart

annul buck cancel check contravene countercheck countervail cross defeat fix foil frustrate hinder invalidate negative oppose remediate right

counterwork

aid allow assist forward help worsen

abet approve break encourage facilitate permit support uphold validate

cross

balk buck check combat contest contravene counter counteract deny dispute duel fight frustrate gainsay hinder impede impugn negate obstruct oppose repel thwart

disaffirm

advance agree aid allow approve assist concur encourage facilitate forward go along help permit promote support surrender uphold yield

back up confirm