Suppose Definition

sə-pōz

supposed, supposes, supposing

verb

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

Synonyms:

Antonyms:

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