observable
Ob*serv"a*ble, a. Etym: [L. observabilis: cf.F. observable.] Defn: Worthy or capable of being observed; discernible; noticeable; remarkable. Sir. T. Browne. The difference is sufficiently observable. Southey. -- Ob*serv"a*ble*ness, n. -- Ob*serv"a*bly, adv.