A proposal is a plan or an idea , often a formal or written one, which is suggested for people to think about and decide upon. A proposal conversion strategy is a stepbystep plan for using your proposal to convert your client from being interested in your service to sealing the deal.How do you expect a woman to react (the best way) to a marriage proposal? What is the best way for a woman to say yes to a wedding proposal? When will you pop the question? Where will you bring up the subject of marriage? Synonyms for PROPOSAL: suggestion, bid, offer, plan, presentation, program, project, recommendation, scheme, … Complete a proposal form. Download the appropriate form: Seminar Course Proposal Form. The Associate Dean verifies that the proposed course will.