specious

(s) plausible but false
- a specious claim
- spurious inferences
spurious,
(s) based on pretense; deceptively pleasing
- the gilded and perfumed but inwardly rotten nobility
- meretricious praise
- a meretricious argument
gilded, meretricious,

spurious gilded meretricious

specious argument speciously speciousness