reject or refuse to accept
repudiate - reject
To ‘repudiate’ something means to disown it or declare it to be untrue, unauthorized, or unworthy of acceptance. This formal word is often used in a professional context, particularly with regards to legal matters, politics, official statements, and policies.
The CEO released a statement through his lawyer to repudiate the allegations made against him.
If the goods are not delivered on time, the buyer has the right to repudiate the contract.
The new President was widely praised for the swift repudiation of her predecessor's controversial policies.