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

Others were being medicated indefinitely on mere suppositions of mental illness.

From Los Angeles Times

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

He may continue to be the Republican presidential nominee, though both of those suppositions are highly debatable.

From Salon

No photos or videos of the outing accompanied the Sun story, further fueling viral suppositions about the future queen.

From Los Angeles Times

Related Words

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