"Melodize" is a verb that means to put into melody or to sing or play melodiously. Some synonyms for this word include harmonize, tune, serenade, chime, carol, croon, and chant. All of these words convey the idea of creating or performing music that is pleasing to the ear. "Harmonize" takes on a collaborative connotation, indicating that multiple parts or instruments are working together to create a pleasing sound. Similarly, "tune" implies that the performer is ensuring that their instrument is in the correct pitch or key. "Serenade" and "croon" both suggest a more intimate, perhaps romantic, performance. All of these synonyms can add flair and variety to musical discussions.