posit

verb

pos·​it ˈpä-zət How to pronounce posit (audio)
posited ˈpä-zə-təd How to pronounce posit (audio)
ˈpäz-təd
; positing ˈpä-zə-tiŋ How to pronounce posit (audio)
ˈpäz-tiŋ

transitive verb

1
: to dispose or set firmly : fix
2
: to assume or affirm the existence of : postulate
3
: to propose as an explanation : suggest

Examples of posit in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Tehran insists that its program is for civilian energy purposes only, but Iran's nuclear enrichment has reached 60% purity, according to the IAEA — dramatically higher than the enrichment limit posited in the 2015 nuclear deal, and a short technical step from the weapons-grade purity level of 90%. Natasha Turak, CNBC, 13 Aug. 2025 But the ultra-wealthy second home dynamic poses a particular threat to some neighborhoods, Murray posited. Max Klaver, Miami Herald, 12 Aug. 2025 Some researchers posit that this increase in ice density might even trigger the formation of gas giant planets like Jupiter. Bruce Dorminey, Forbes.com, 6 Aug. 2025 Timeless music, Garcia might have posited, has no end. Shirley Halperin, HollywoodReporter, 5 Aug. 2025 See All Example Sentences for posit

Word History

Etymology

Latin positus, past participle of ponere

First Known Use

1647, in the meaning defined at sense 1

Time Traveler
The first known use of posit was in 1647

Browse Nearby Words

Cite this Entry

“Posit.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/posit. Accessed 20 Aug. 2025.

More from Merriam-Webster on posit

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!