discernible in WordNet English dictionary

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"
   discernible  discernable 
   
2. capable of being seen or noticed
   "a discernible change in attitude"; "a clearly evident erasure in the manuscript"; "an observable change in behavior"
   discernible  evident  observable 
   
3. capable of being perceived clearly
   "an essay with a meaning that was not always discernible"
   discernible