Synonyms for Discernible (same or very similar meaning)
WordNet sense 1 (capable of being perceived by the mind or senses):
perceptible
WordNet sense 2 (capable of being seen or noticed):
evident, observable
WordNet sense 3 (capable or worthy of being perceived):
noticeable
WordNet sense 4 (perceptible by the senses or intellect):
discernable
From the ODE community, based on WordNet
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