Definition of "Proposition" :
noun: a task to be dealt with
"Securing adequate funding is a time-consuming proposition."
noun: (logic) a statement that affirms or denies something and is either true or false
noun: the act of making a proposal
noun: an offer for a private bargain (especially a request for sexual favors)
noun: a proposal offered for acceptance or rejection
verb: suggest sex to
"She was propositioned by a stranger at the party."