Source : Webster's Revised Unabridged Dictionary (1913)

Discernible \Dis*cern"i*ble\, a. [L. discernibilis.]
   Capable of being discerned by the eye or the understanding;
   as, a star is discernible by the eye; the identity of
   difference of ideas is discernible by the understanding.

         The effect of the privations and sufferings . . . was
         discernible to the last in his temper and deportment.
                                                  --Macaulay.

   Syn: Perceptible; distinguishable; apparent; visible;
        evident; manifest.

Source : WordNet®

discernible
     adj 1: perceptible by the senses or intellect; "things happen in
            the earth and sky with no discernible cause"; "the
            newspaper reports no discernible progress in the
            negotiations"; "the skyline is easily discernible even
            at a distance of several miles" [syn: {discernable}]
            [ant: {indiscernible}]
     2: capable of being perceived clearly; "an essay with a meaning
        that was not always discernible"
     3: capable of being seen or noticed; "a discernible change in
        attitude"; "a clearly evident erasure in the manuscript";
        "an observable change in behavior" [syn: {evident}, {observable}]