Adjective
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"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"