Dictionary

presuppose

verb pre·sup·pose \ˌprē-sə-ˈpōz\

: to be based on the idea that something is true or will happen

: to require or depend on (something) in order to be true or exist

Full Definition of PRESUPPOSE

transitive verb
1
:  to suppose beforehand
2
:  to require as an antecedent in logic or fact
pre·sup·po·si·tion \(ˌ)prē-ˌsə-pə-ˈzi-shən\ noun
pre·sup·po·si·tion·al \-ˈzish-nəl, -ˈzi-shə-nəl\ adjective

Examples of PRESUPPOSE

  1. The rule presupposes a need to restrict student access to the library.
  2. <the book presupposes its readers will already know something about the subject>

Origin of PRESUPPOSE

Middle English, from Middle French presupposer, from Medieval Latin praesupponere (perfect indicative praesupposui), from Latin prae- + Medieval Latin supponere to suppose — more at suppose
First Known Use: 15th century

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