supposition suhp-uh-ZISH-uhn noun WS #39

an uncertain belief; a hypothesis or assumption; something that is supposed or assumed to be true without proof; a conjecture or presumption

1. The scientist's supposition about the chemical reaction needed to be tested through careful experimentation.
2. The lawyer's supposition about the witness's testimony helped him prepare a more effective cross-examination strategy.
3. The detective's supposition about the suspect's motive proved to be correct after finding additional evidence.
4. His supposition that she was angry was completely wrong; she was actually just tired from working late.
5. Her supposition that the meeting would be cancelled was based on rumors rather than official information.