Observable

Adjective

 * 1) Able to be observed.
 * 2) * The strange new star was at the edge of the observable universe
 * 3) Deserving to be observed.
 * 4) * Easter is an observable holiday

Noun

 * 1) Any physical property that can be observed and measured directly and not derived from other properties
 * 2) * Temperature is an observable but entropy is derived

Thesaurus
apparent, appreciable, beholdable, clear, clear as crystal, crystal-clear, detectable, discernible, disclosed, distinct, evident, explicit, exposed, exposed to view, express, hanging out, in evidence, in full view, in plain sight, in view, indisputable, indubitable, insight, manifest, memorable, naked, notable, noticeable, obvious, open, open to view, open-and-shut, outcropping, palpable, patent, perceivable, perceptible, perspicuous, plain, plain as day, recognizable, red-letter, revealed, rubric, seeable, self-evident, self-explaining, self-explanatory, sensible, showing, tangible, to be seen, transparent, unclouded, unconcealed, undisguised, unhidden, unmistakable, viewable, visible, visual, witnessable

Adjective

 * Czech: