sophistical

sophistical
    adj 1: plausible but misleading [syn: {sophistic},
           {sophistical}]
    

Sophistic \So*phis"tic\, Sophistical \So*phis"tic*al\, a. [L.
   sophisticus, Gr. ?: cf. F. sophistique.]
   Of or pertaining to a sophist; embodying sophistry;
   fallaciously subtile; not sound.
   [1913 Webster]

         His argument . . . is altogether sophistical.
                                                  --Macaulay.
   [1913 Webster] -- {So*phis"tic*al*ly}, adv. --
   {So*phis"tic*al*ness}, n.
   [1913 Webster]
    

76 Moby Thesaurus words for "sophistical":
      Machiavellian, Machiavellic, acute, apparently sound, arch, artful,
      astute, cagey, canny, casuistic, clever, colorable, crafty,
      cunning, cute, deceitful, deceptive, deep, deep-laid, designing,
      diplomatic, dishonest, disingenuous, empty, fallacious, feline,
      foxy, guileful, hollow, illusive, ingenious, insidious, insincere,
      inventive, jesuitic, knowing, mealymouthed, overrefined,
      oversubtle, pawky, philosophicojuristic, philosophicoreligious,
      philosophistic, plausible, politic, ready, resourceful, scheming,
      serpentine, sharp, shifty, shrewd, slick, slippery, sly, smooth,
      snaky, sneaky, sophistic, specious, stealthy, strategic, subtile,
      subtle, supple, tactical, tongue in cheek, trickish, tricksy,
      tricky, uncandid, unfrank, unserious, vulpine, wary, wily