Brew up is often used to refer to making tea or coffee, however, it can also mean to create or produce something. For example, "He managed to brew up a plan to save the company". Some synonyms for brew up include concoct, devise, form, generate, hatch, innovate, invent, originate, and produce. These words indicate the act of creating or forming something, whether it's an idea, a plan, or a product. For instance, an author might brew up a story or an entrepreneur might brew up a new business idea. Regardless of the context, using synonyms for brew up can add variety and depth to your writing while remaining accurate to the intended meaning.