overrules

Overrules is the third-person singular of overrule, meaning to reject or set aside a decision, objection, or ruling by exercising superior authority.

A judge overrules an objection when declining to sustain it: Objection! —Overruled.

A higher court overrules a lower court's decision.

By extension, anyone with authority can overrule those beneath them: The CEO overrules the committee's recommendation.