Preludious refers to something that serves as an introduction or prelude to something else. Some synonyms for preludious are introductory, preliminary, preparatory, initial, opening, commencement, and starting. These words all suggest that something is setting the stage for another event or activity to follow. Additionally, preludious can also connote a sense of anticipation, which can be captured by synonyms such as anticipatory, expectant, or foresighted. All of these words carry the sense of looking forward to what is to come, or being in a state of preparation or readiness for something significant.