|Origin:||hypotithenai 'to put under, hypothesize'|
hy‧poth‧e‧sis plural hypotheses
an idea that is suggested as an explanation for something, but that has not yet been proved to be true [= theory]:
One hypothesis is that the victim fell asleep while driving.
prove/test/support etc a hypothesis
We hope that further research will confirm our hypothesis.
The authors reject the hypothesis about unemployment contributing to crime.
ideas or guesses rather than facts [= speculation]:
All this is mere hypothesis.