/ ˌprɒpəˈzɪʃn; NAmE ˌprɑːp-/ noun , verb
■ noun
1.
an idea or a plan of action that is suggested, especially in business :
I'd like to put a business proposition to you.
He was trying to make it look like an attractive proposition .
2.
a thing that you intend to do; a problem or task to be dealt with
SYN matter :
Getting a work permit in the UK is not always a simple proposition.
3.
(also Proposition ) (in the US) a suggested change to the law that people can vote on :
How did you vote on Proposition 8?
4.
( formal ) a statement that expresses an opinion :
Her assessment is based on the proposition that power corrupts.
5.
( mathematics ) a statement of a theorem , and an explanation of how it can be proved
► prop·os·ition·al adjective
■ verb
[ vn ] to say in a direct way to sb that you would like to have sex with them :
She was propositioned by a strange man in the bar.
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WORD ORIGIN
Middle English : from Old French , from Latin propositio(n-) , from the verb proponere set forth, from pro- forward + ponere put.