abating, abolishing, abrogating, annulling, avoiding, canceling(or cancelling), disannulling, dissolving, invalidating, negating, nulling, quashing, repealing, rescinding, rolling back, striking down, vacating, voiding

countermanding, overriding, overruling, overturning, vetoingaborting, calling, calling off, dropping, recalling, retracting, reversing, revoking, suspending, withdrawingbanning, enjoining, forbidding, outlawing, prohibitingdisallowing, dismissing, rejectingannihilating, breaking down, eliminating, eradicating, erasing, liquidating, removing, throwing out, writing off

doing away with, setting aside

enacting, laying down, legislatingestablishing, founding, institutingformalizing, legalizing, legitimating, legitimizing, validatingpassing, ratifyingallowing, approving, authorizing, clearing, endorsing(also indorsing), permitting, sanctioning, warrantingcommanding, decreeing, mandating, ordering, prescribing