Supposition

usgb/ˌsʌpəˈzɪʃn/
noun

An idea or theory that you believe is true even though you don't have concrete proof.

It's been a common supposition that the weather changes can be attributed to global warming.
Visual representation of "supposition" - An idea or theory that you believe is true even though you don't have concrete proof

Often appears as...

  • based on supposition
  • common supposition
Definition 1 of 2
Visual representation of "supposition"
LampPro Tip 1/3

Proof Not Required

Supposition doesn't need proof, but it's based on some reason or belief.

Illustration for Proof Not Required
Her supposition that the keys were in the car was correct, even though she hadn't checked.
LampPro Tip 2/3

Likely True

A supposition is often something you think is true or likely, rather than a wild guess.

Illustration for Likely True
His supposition that the traffic would be heavy at this hour was logical.
LampPro Tip 3/3

Conversation Starter

Use supposition to introduce an idea you're not sure about but want to discuss.

Illustration for Conversation Starter
I'm working on the supposition that she'll be late, so let's wait a bit longer.
Word comparison image

Compare with

assumptionconjectureguesshypothesispresumptionpropositionspeculatesurmise
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Visual representation of the word "Supposition"

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