There are many synonyms for the phrase "more elaborate." You could use words such as complex, intricate, detailed, sophisticated, ornate, embellished, or adorned. These words all imply a greater level of complexity or detail. Another option could be to use words like expanded, extended, augmented, or amplified to suggest that something has been made larger or more extensive. Alternatively, you could use words like refined, polished, perfected, or enhanced to suggest that something has been improved upon and made more sophisticated or attractive. Whatever synonym you choose, it's important to consider the precise meaning and connotations of the word and ensure that it's appropriate for the context.