Thesaurus

supposition

noun

Synonyms & Antonyms of supposition

1 an idea that is the starting point for making a case or conducting an investigation
  • my supposition is that this grape variety, which flourishes in southern France, should do equally well here, given the similar climate

Synonyms for supposition

Words Related to supposition

Near Antonyms for supposition

2 an opinion or judgment based on little or no evidence
  • it's pure supposition on your part that there's something illegal going on next door

Synonyms for supposition

Words Related to supposition

Phrases Synonymous with supposition

3 something taken as being true or factual and used as a starting point for a course of action or reasoning
  • worthless genetic research that was based on the erroneous supposition that acquired characteristics can be passed on to offspring

Synonyms for supposition

Words Related to supposition

See the Dictionary Definition 

Learn More About supposition

Time Traveler for supposition

Time Traveler

The first known use of supposition was in the 15th century

See more words from the same century

Thesaurus Entries Near supposition

supposing

supposition

suppositional

See More Nearby Entries 

Cite this Entry

“Supposition.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supposition. Accessed 28 Jun. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on supposition

Nglish: Translation of supposition for Spanish Speakers

Britannica English: Translation of supposition for Arabic Speakers

Britannica.com: Encyclopedia article about supposition

WORD OF THE DAY

Test Your Vocabulary

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

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