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[suh-poh-zuh l]
See more synonyms for supposal on Thesaurus.com
  1. the act of supposing.
  2. something that is supposed; conjecture or notion.
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Origin of supposal

First recorded in 1350–1400; Middle English word from Middle French word supposaille. See suppose, -al2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for supposal

Historical Examples

  • This was the advice which Haman gave, out of a supposal that such a reward would come to himself.

    The Antiquities of the Jews

    Flavius Josephus

  • Newes from any-whence, or, Old Truth under a supposal of Noueltie.