1. His theory was based on a series of suppositions that had no factual evidence to support them.
2. The detective worked diligently to confirm or disprove the various suppositions about the suspect's alibi.
3. The success of the project relied heavily on the accuracy of the initial suppositions made by the team.
4. It is important to question our own suppositions and beliefs in order to grow and learn.
5. The entire experiment was built on a series of faulty suppositions, leading to inaccurate results.
6. The professor challenged his students to think critically about the suppositions presented in the textbook.
7. The company's decision to expand was based on several risky suppositions about the market demand.
8. Without concrete evidence, his suppositions about the origins of the ancient artifact were merely speculative.
9. The lawyer's defense strategy was built on a series of suppositions that were easily dismantled by the prosecution.
10. The novel's plot twisted and turned as new suppositions were introduced, keeping readers on the edge of their seats.