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presurmise

[noun pree-ser-mahyz, pree-sur-mahyz; verb pree-ser-mahyz]
noun
  1. a surmise previously formed.
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verb (used with object), pre·sur·mised, pre·sur·mis·ing.
  1. to surmise beforehand.
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Origin of presurmise

First recorded in 1655–65; pre- + surmise
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018