Answer:
hypothesis:
1.proposition,
2.supposition,
3.theory,
4.thesis.
Step-by-step explanation:
A hypothesis is an assumption, an idea that is proposed for the sake of argument so that it can be tested to see if it might be true. ... In non-scientific use, however, hypothesis and theory are often used interchangeably to mean simply an idea, speculation, or hunch, with theory being the more common choice.
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