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
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"
If something is discernible, you can see it or recognize that it exists. Far away the outline of the island is just discernible
capable of being seen or noticed; "a discernible change in attitude"; "a clearly evident erasure in the manuscript"; "an observable change in behavior"
capable of being perceived clearly; "an essay with a meaning that was not always discernible"
If you can discern something, you are aware of it and know what it is. You need a long series of data to be able to discern such a trend It was hard to discern why this was happening
detect with the senses; "The fleeing convicts were picked out of the darkness by the watchful prison guards"; "I can't make out the faces in this photograph"