supposition

[ suhp-uh-zish-uhn ]

noun

1. the act of supposing.
2. something that is supposed; assumption; hypothesis.

supposition

/ ˌsʌpəˈzɪʃən /

noun

1. the act of supposing
2. a fact, theory, etc, that is supposed

Derived Forms

• ˌsuppoˈsitionless, adjective
• ˌsuppoˈsitionally, adverb
• ˌsuppoˈsitional, adjective

Other Words From

• suppo·sition·al adjective
• suppo·sition·al·ly adverb
• nonsup·po·sition·al adjective
• nonsup·po·sition·al·ly adverb
• unsup·po·sition·al adjective

Word History and Origins

Origin of supposition¹

First recorded in 1400–50; late Middle English, from Latin suppositiōn- (stem of suppositiō ) “substitution” ( English meaning by association with suppose ), equivalent to supposit(us) (past participle of suppōnere “to substitute”) + -iōn- stem of noun suffix -io; -ion, sup-, position

Example Sentences

It’s just noise, it’s a bunch of overconfident people trading on pure supposition,” said Gruca.

From Slate

There’s some supposition, including from Ourand at Puck, that the heat here stems from Disney’s secretive plan to establish a streaming-specific digital service, Venu Sports, in partnership with Warner Bros. and Fox.

From Slate

You might leave the enjoyable “Sangre de Nopal/Blood of the Nopal” scratching your head over the supposition of the primacy of an art and science “collision.”

From Los Angeles Times

The FTC already has sued to block the merger, and it’s a fair supposition that under a President Harris the agency won’t be backing off.

From Los Angeles Times

Well, it may have been a useful exercise in hopefully dispensing, once and for all, any supposition that Elon “Free Speech” Musk is actually interested in advancing that democratic principle.

From Slate

Related Words

• conjecture
• guesswork
• hunch
• hypothesis
• presumption
• thesis