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Supposition vs Presumption - What's the difference?

supposition | presumption |

As nouns the difference between supposition and presumption

is that supposition is something that is supposed; an assumption made to account for known facts, conjecture while presumption is the act of presuming, or something presumed.

supposition

English

Noun

(en noun)
  • Something that is supposed; an assumption made to account for known facts, conjecture
  • The act or an instance of supposing

    • Synonyms

    * See also

    presumption

    English

    (wikipedia presumption)

    Noun

    (en noun)
  • the act of presuming, or something presumed
  • * De Quincey
    • in contradiction to these very plausible presumptions
  • the belief of something based upon reasonable evidence, or upon something known to be true
    • The presumption is that an event has taken place.
  • the condition upon which something is presumed
  • (dated) arrogant behaviour; the act of venturing beyond due bounds of reverence or respect
  • * Shakespeare
    • Thy son I killed for his presumption .
  • * Dryden
    • I had the presumption to dedicate to you a very unfinished piece.

    Synonyms

    * (l)