Real Dictionary

propose
verb: If you propose a motion for debate, or a candidate for election, you begin the debate or the election procedure by formally stating your support for that motion or candidate.
verb: If you propose a theory or an explanation, you state that it is possibly or probably true, because it fits in with the evidence that you have considered.
verb: If you propose something such as a plan or an idea, you suggest it for people to think about and decide upon.
verb: If you propose to do something, you intend to do it.

propose in American English
to make a proposal; form or declare a purpose or design
to put forth for consideration or acceptance
intransitive verb: to make an offer or suggestion, esp. of marriage
transitive verb: to offer or suggest (a matter, subject, case, etc.) for consideration, acceptance, or action

propose in British English
verb: to put forward (a plan, motion, etc) for consideration or action