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# supposition

«supposition» in Mova's school dictionary: **an idea or belief that you think is true but have not…** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

noun (a supposition, suppositions; also uncountable)

### meaning for a pupil

1) A supposition is an idea or belief that you think is true but have not proved: a guess based on some reasons. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/supposition/#m1)

2) Supposition is the act of supposing or guessing rather than knowing. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/supposition/#m2)

### sense in the lessons

In science, a supposition is like a hypothesis that needs testing. In stories, especially mysteries, detectives say «That's just supposition» meaning there is no proof yet. In maths and logic, you can make a supposition («Suppose x is 5») and work out what follows. Phrases: «pure supposition», «on the supposition that», «based on supposition».

### examples

- That's just supposition — we need evidence. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/supposition/#x1)
- The detective's supposition turned out to be right. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/supposition/#x2)
- On the supposition that it will rain, we packed coats. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/supposition/#x3)
- Her supposition was that the cat ate the fish. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/supposition/#x4)
- Science turns suppositions into tested facts or throws them out. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/supposition/#x5)
- The whole story was based on supposition. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/supposition/#x6)

### note

Formal word. From the verb «suppose». Close words: «assumption», «guess», «hypothesis». Not the same as «a fact».

### Trees and pragmatics

[Every meaning and example of «supposition» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/supposition/), each sentence with its dependency tree and frames.