The word "prelusory" means something that precedes or serves as an introduction. Synonyms for this word include introductory, preliminary, prefatory, proemial, preliminary, and preparatory. These words are often used when describing something that comes before the main event, such as a prelude to a performance, a preface to a book, or an opening statement in a trial. Using synonyms for "prelusory" can add variety and depth to your writing, allowing you to convey the same meaning in different ways. Whether you are writing a speech, an essay, or a novel, having a diverse vocabulary can help you to express your ideas more effectively.