specious Synonyms

gilded ostensible meretricious spurious plausible colorable showy so-called sophistic unsubstantiated sophistical seeming purported probable pretended presumable possible philosophistic ostensive truthless unfounded unscientific uncorroborated trumped-up untenable unjustified unsupported inauthentic unverified meretriciously made-up phony wrong veniable untrue unsound unreasoned unreasonable mistaken misleading false fallacious factitious erroneous delusory delusive deceptive deceitful credent concoctive