'Controvert' definitions:

Definition of 'controvert'

(from WordNet)
verb
Be resistant to; "The board opposed his motion" [syn: oppose, controvert, contradict]
verb
Prove to be false or incorrect [syn: refute, rebut, controvert]

Definition of 'Controvert'

From: GCIDE
  • Controvert \Con"tro*vert\, v. t. [imp. & p. p. Controverted; p. pr. & vb. n. Controverting.] [See Controversy.] To make matter of controversy; to dispute or oppose by reasoning; to contend against in words or writings; to contest; to debate. [1913 Webster]
  • Some controverted points had decided according to the sense of the best jurists. --Macaulay. [1913 Webster]

Synonyms of 'controvert'

From: Moby Thesaurus