Obs. Forms: 67 fallacian, -ion, fallation. [Formation not quite clear; f. FALLACY or its source, the ending being confused with -ATION; or f. FALLACIOUS, on the analogy of suspicious, suspicion.] = FALLACY 3.
a. 1568. Ascham, Scholem., II. (Arb.), 132. Tomitanus hath expressed euerie fallacion in Aristotle, with diuerse examples out of Plato.
1588. Fraunce, Lawiers Log., I. iv. 26 b. Fallacians bee eyther in the woord, or in the reason.
1610. Healey, St. Augustine, Of the Citie of God, 309. Euthydemus, whence Aristotle had many of his fallacians.