Englishobservable
adjective
this kind of behaviour is readily observable in all wild and domestic creatures:
noticeable, visible, perceptible, perceivable, detectable, discernible, recognizable, obvious, evident, manifest, patent, clear, distinct, plain, overt, conspicuous, palpable, distinguishable, unmistakable, unconcealed, apparent;
archaic sensible.
▷antonyms hidden.
observable Oxford Dictionary of English