observable

& 8. [Eng. observ (e); -able.] A. As adj.: Capable of being observed or noticed; worthy of observation or notice; noticeable, notable, remarkable. "In whom it is observable , that loving his ease so well as he did, he should run voluntarily into such troubles." -Baker: King John (an. 1216). *B. As subst.: A notable or noteworthy thing. "Some memorable observables therein."- Fuller : Pisgah Sight , III. vii. 1.