suppositious

From New Latin suppositius, from Latin suppositīcius.

suppositious (comparative more suppositious, superlative most suppositious)

1. Spurious; substituted for the genuine, counterfeit; fake; supposititious. [from 17th c.]
   • 1616, James I of England, A Remonstrance of the Most Gratious King James I‎, Cambridge, page 22:

     […] who knowes not how false, how suppositious, the writings and Epistles of the auncient Popes are iustly esteemed?

   • 1794, Erasmus Darwin, Zoonomia‎, London: J. Johnson, Volume 1, Section 16.9, p. 154:

     […] a hen teaches this language with equal ease to the ducklings, she has hatched from suppositious eggs, and educates as her own offspring […]

   • 1913, Fred M. White, chapter 26, in Powers of Darkness‎:

     […] unfortunately for you, the real Faber and the suppositious Faber, alias Draycott, were much alike in one respect. They gave way to drinking bouts at regular intervals.

2. Imaginary; fictitious, pretended to exist. [from 17th c.]
   • 1940, Sinclair Lewis, chapter 14, in Bethel Merriday‎:

     At rehearsals the actor tossed an entirely imaginary cloak about his shoulders as though it were heavy brocade, courteously removed a hat made of air, and seriously set out on a suppositious table a non-existent dinner, after sedulously cooking it on a kitchen range that was a chair.

3. Hypothetical, based on supposition; suppositional. [from 17th c.]
   • 1946 September, Isaac Asimov, “Evidence”, in Astounding Science-Fiction, volume 38, number 1, page 125:

     Look, Dr. Lanning, let me present you with a suppositious case. Supposing we had a politician who was interested in defeating a reform candidate at any cost and while investigating his private life came across oddities such as I have just mentioned.

• supposititious