Proposal (noun)

1. A plan or suggestion, especially a formal or written one, put forward for consideration or discussion.
2. A plan or offer to do something, especially in a business or political context.
3. A request for someone to marry you.

Origin:

Late 16th century (in the sense "something proposed for consideration"): from latin propositio(n-), from proponere "put forward", from pro- "before" + ponere "to place".

Examples:

1. The proposal for the new highway was presented to the city council.
2. She accepted his proposal of marriage.
3. The company's proposal was accepted by the client.
4. The proposal for the new project was well-received by the team.
5. The proposal for the budget was detailed and comprehensive.