There are seven meanings listed in OED's entry for the noun hypothesis, two of which are labelled obsolete. See 'Meaning & use' for definitions.

to suggest a way of explaining something when you do not definitely know about it; to form a hypothesis.

to suggest a way of explaining something when you do not definitely know about it; to form a hypothesis. Questions about grammar and vocabulary?

(statistics) the idea that an experiment that is done using two groups of people will show the same results for each group.

an idea or explanation for something that is based on known facts but has not yet been proved. Several hypotheses for global warming have been suggested.

noun (statistics) the idea that an experiment that is done using two groups of people will show the same results for each group.

[singular] (linguistics) the theory that the language that you speak has an important effect on the way you think.

In Greek the term may be applied to the summary of the plot of a play (see hypothesis, literary), a political or legal proposal, a topic to be discussed, a ...

the theory that the language that you speak has an important effect on the way you think. Want to learn more? Find out which words work together and produce ...