Refutation /(r?f`?*t?"sh?n)/

Ref·u·ta·tion

Refutation

n.
  1. The act or process of refuting or disproving, or the state of being refuted; proof of falsehood or error; the overthrowing of an argument, opinion, testimony, doctrine, or theory, by argument or countervailing proof.
    Same of his blunders seem rather to deserve a flogging than a refutation.