specious


specious (http://definr.com/specious)

     adj 1: plausible but false; "specious reasoning"; "the spurious
            inferences from obsolescent notions of causality"-
            Ethel Albert [syn: spurious]
     2: plausible but false; "a specious claim"
     3: based on pretense; deceptively pleasing; "the gilded and
        perfumed but inwardly rotten nobility"; "meretricious
        praise"; "a meretricious argument" [syn: gilded, meretricious]