Source : Webster's Revised Unabridged Dictionary (1913)

Concordant \Con*cord"ant\, a. [L. concordans, p. pr. of
   concordare: cf. F. concordant. See {Concord}.]
   Agreeing; correspondent; harmonious; consonant.

         Were every one employed in points concordant to their
         natures, professions, and arts, commonwealths would
         rise up of themselves.                   --Sir T.
                                                  Browne

Source : WordNet®

concordant
     adj 1: in keeping; "salaries agreeable with current trends"; "plans
            conformable with your wishes"; "expressed views
            concordant with his background" [syn: {accordant}, {agreeable},
             {conformable}, {consonant}]
     2: being of the same opinion [syn: {concurring(a)}]