THESAURUS
specious reasoning
apparent soundness, casuistry, circularity, deduction, deductive reasoning, demonstration, discourse, discourse of reason, discursive reason, disingenuousness, distortion, equivocalness, equivocation, evasive reasoning, fallaciousness, fallacy, induction, inductive reasoning, insincerity, jesuitism, jesuitry, logical thought, misapplication, mystification, obfuscation, obscurantism, oversubtlety, perversion, philosophism, philosophy, plausibility, plausibleness, proof, ratiocination, rationalism, rationality, rationalization, rationalizing, reason, reasonableness, reasoning, sophism, sophistical reasoning, sophistication, sophistry, special pleading, speciosity, speciousness, subtlety, sweet reason, vicious circle, vicious reasoning