[1] : The Collaborative International Dictionary of English v.0.48

concordant \concord"ant\, a. l. concordans, p. pr. of
   concordare: cf. f. concordant. see concord.
   agreeing; correspondent; harmonious; consonant.
   1913 webster

         were every one employed in points concordant to their
         natures, professions, and arts, commonwealths would
         rise up of themselves.                   --sir t.
                                                  browne
   1913 webster
see also:
concord 

[2] : WordNet (r) 2.0

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: concurringa
see also:
accordant agreeable conformable consonant concurringa 

[3] : Moby Thesaurus II by Grady Ward, 1.0

177 moby thesaurus words for "concordant":
   accompanying, accordant, according, affirmative, agreeable,
   agreeing, akin, amicable, anal, answerable, associate, associated,
   assonant, assonantal, at one, at one with, at peace, attuned,
   blended, blending, bloodless, bourgeois, calm,
   carried by acclamation, chiming, coacting, coactive, coadjutant,
   coadjuvant, coadunate, coefficient, coexistent, coexisting,
   coherent, coincident, coinciding, collaborative, collective,
   collectivist, collectivistic, collusive, combined, combining,
   commensal, commensurate, common, communal, communalist,
   communalistic, communist, communistic, communitarian, compatible,
   compulsive, concerted, concomitant, concurrent, concurring,
   conformable, conformist, congenial, congruent, congruous, conjoint,
   conniving, consentaneous, consentient, consilient, consistent,
   consonant, conspiratorial, conventional, cooperant, cooperating,
   cooperative, coordinate, correspondent, corresponding, coworking,
   ecumenic, empathetic, empathic, en rapport, equivalent, fellow,
   formalistic, frictionless, halcyon, harmonic, harmonious,
   harmonized, harmonizing, homophonic, idyllic, in accord,
   in agreement, in chorus, in concert, in concord, in keeping,
   in line, in rapport, in step, in sync, in synchronization, in tune,
   in unison, inaccordance, inharmony, joint, kosher, like-minded,
   meeting, monodic, monophonic, mutual, noncompetitive, of a piece,
   of like mind, of one accord, of one mind, on all fours, orderly,
   orthodox, pacific, parasitic, pastoral, peaceable, peaceful,
   peacetime, pedantic, piping, plastic, positive, precisianistic,
   proportionate, quiet, reciprocal, reconcilable, restful,
   saprophytic, self-consistent, serene, soft, solid, square,
   straight, stuffy, symbiotic, sympathetic, symphonious,
   synchronized, synchronous, synergetic, synergic, synergistic,
   together, traditionalist, tranquil, tuned, unanimous, unchallenged,
   uncompetitive, uncontested, uncontradicted, uncontroverted,
   understanding, uniform, unisonant, unisonous, united, uniting,
   unopposed, untroubled, uptight, with one consent, with one voice

Concordant >> C Words
Concordant, definition of term: Concordant
concordant_pag1.html