Source : Webster's Revised Unabridged Dictionary (1913)

Dispute \Dis*pute"\, v. i. [imp. & p. p. {Disputed}; p. pr. &
   vb. n. {Disputing}.] [OE. desputen, disputen, OF. desputer,
   disputer, F. disputer, from L. disputare, disputatum; dis- +
   putare to clean; hence, fig., to clear up, set in order,
   reckon, think. See {Putative}, {Pure}.]
   To contend in argument; to argue against something
   maintained, upheld, or claimed, by another; to discuss; to
   reason; to debate; to altercate; to wrangle.

         Therefore disputed [reasoned, --Rev. Ver.] he in
         synagogue with the Jews.                 --Acts xvii.
                                                  17.

Source : WordNet®

disputed
     adj : subject to disagreement and debate