Suppose Definition

supposed, supposes, supposing
supposed, supposes, supposing
To assume to be true, as for the sake of argument or to illustrate a proof.
Suppose A equals B.
Webster's New World
To believe, especially on uncertain or tentative grounds.
Scientists supposed that large dinosaurs lived in swamps.
American Heritage
To believe, think, guess, etc.
I suppose you're right.
Webster's New World
To consider to be probable or likely.
I suppose it will rain.
American Heritage
Webster's New World

Origin of Suppose

  • Middle English supposen from Old French supposer alteration (influenced by poser to place) of Medieval Latin suppōnere from Latin to put under sub- sub- pōnere to place apo- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • French supposer; prefix sub- under + poser to place; - corresponding in meaning to Latin supponere, suppositum, to put under, to substitute, falsify, counterfeit. See pose.

    From Wiktionary

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