To make ready beforehand for a specific purpose, as for an event or occasion: The teacher prepared the students for the exams. To put together or make by combining various elements or ingredients; manufacture or compound: prepared a meal; prepared the lecture. To fit out; equip: prepared the ship for an arctic expedition. Music To lead up to and soften (a dissonance or its impact) by means of preparation. To make things or oneself ready. To study or complete a course of study at a preparatory school.