proposing an idea, putting forward an idea, presenting an idea, offering an idea, submitting an idea, introducing an idea, recommending an idea, advancing an idea, positing an idea, floating an idea,... [more]
proposing an idea, putting forward an idea, presenting an idea, offering an idea, submitting an idea, introducing an idea, recommending an idea, advancing an idea, positing an idea, floating an idea,... [more]