The word "conceives" is often used to describe the act of formulating or creating an idea, plan, or concept. However, there are several synonyms that can be used in its place. The word "concocts" can be used to describe the act of creating something by combining various ingredients or ideas. "Invents" is a synonym that suggests creating something entirely new, requiring original thought. "Devises" is another word that can be used in place of "conceives," describing the process of developing or inventing a plan or solution. Additionally, "formulates," "designs," and "imagines" can all be used as synonyms for "conceives".