Collocations for proposition - noun

attractive, tempting, win-win
feasible, practical, viable
business, commercial, economic, paying
losing (esp. AmE)

put to sb
Ring up your agent in New York and put your proposition to him.

consider
accept
reject

difficult, tough, tricky
simple
Getting a job is not always a simple proposition.

expensive
all-or-nothing (AmE)
dangerous, dicey (AmE), risky
different
Running the business was one thing. Getting it to make a profit was a different proposition altogether.

basic, central, fundamental
true
abstract, empirical, existential, general, theoretical
dubious
simple

set

advance, express, put forward
test
support

concern sth, relate to sth

proposition about
The book puts forward a number of propositions about the nature of language.