Rebut v. t. : To drive or beat back; to repulse.

Rebut v. t. : To contradict, meet, or oppose by argument, plea, or countervailing proof.

Rebut v. i. : To retire; to recoil.

Rebut v. i. : To make, or put in, an answer, as to a plaintiff's surrejoinder.

Example:
What is the Rebut to the responses provided to those questioning Obama's tax plan?

Taxonomy
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Defination from the web:
rebut from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... Learn more about "rebut" and related topics at Britannica.com. Pronunciation Symbols. Share this entry: Link to this page: Cite this page: ...