D defs.my
Entry 2 senses Webster, 1913

Sophistry

/sôf'-ĭs-trēˌ/ · Soph·ist·ry · IPA /ˈsɑ.fɪ.stɹi/
01 n. The art or process of reasoning; logic.
  1. 1.
    The art or process of reasoning; logic.[Obs.]
  2. 2.
    The practice of a sophist; fallacious reasoning; reasoning sound in appearance only.
    “The juggle of sophistry consists, for the most part, in usig a word in one sense in the premise, and in another sense in the conclusion.” Coleridge.
Syn. See Fallacy.