That may be readily perceived by the eye or the understanding; open to view or to comprehension; plain; obvious; apparent.n. A public declaration; an open statement; a manifesto.n. A document, signed by the master of a vessel, containing a list of all the packages or separate items of freight on board, with their distinguishing marks, numbers, descriptions, destination, etc., for the information and use of the custom-house officers.To disclose to the eye or to the understanding; show plainly; put beyond doubt or question; display; exhibit.Synonyms To make known, prove, reveal, evidence, declare, evince. See comparison under manifest, a.