The Oxford Thesaurus An A-Z Dictionary of Synonyms - noticeableadj.

1) discernible, perceivable, observable, perceptible, recognizable, distinguishable, visible, palpable, manifest, distinct, evident, clear, clear-cut, conspicuous, obvious; patent, unmistakable or unmistakeable, undisguised, unconcealed: Is the scratch noticeable? Wrinkles around the eyes are one of the first noticeable signs of ageing. 2) noteworthy, notable, significant, signal, remarkable, important, singular, exceptional, pronounced, distinct, especial, considerable, major: After the reprimand, there was a noticeable improvement in his work.