The Collaborative International Dictionary
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.
His argument . . . is altogether sophistical.
--Macaulay.
[1913 Webster] -- So*phis"tic*al*ly, adv. --
So*phis"tic*al*ness, n.
Douglas Harper's Etymology Dictionary
1540s, from Latin sophisticus, from Greek sophistikos "like a sophist, sophistical," from sophistes (see sophist). Related: Sophistical (late 15c.); sophistically (late 14c.).
Wiktionary
a. 1 pertaining to sophists 2 sophistical.
WordNet
adj. of or pertaining to sophists
plausible but misleading [syn: sophistical]
Usage examples of "sophistic".
Since I myself have been an inmate of a lunatic asylum, I cannot but notice that the sophistic tendencies of some of its inmates lean towards the errors of non causa and ignoratio elenche.