Preparation is an essential aspect of any successful project or plan, and taking preparatory measures can help ensure a smooth process. However, using the same term repeatedly can become monotonous and sound repetitive. Some synonyms for the term "preparatory measure" include preliminary action, preparative step, groundwork, preliminary measure, preparatory action, preliminary arrangement, preliminary move, and preliminary preparation. These words can add variety to your writing or speech and help emphasize the importance of planning before proceeding with any task. By utilizing these synonyms, you can communicate your ideas effectively and maintain the audience's attention.