Adjectival verb - 'Donned' is a word used for a person who attempts to argue and disagree with something they have been told, and then later are proven wrong, by means of evidence such as a photograph or statistical proof.
Mt y; No she had brunette hair i swear by it...
Mr x takes out a photo of the previous night where in fact the woman Mr. y had kissed did indeed have blonde hair
Mr x; DONNED!!!