When it comes to chic and sophisticated fashion, a "three-piece" ensemble is a classic choice. However, if you're seeking alternative synonyms to describe this stylish attire, there are several options to consider. One possibility is "trio attire", a term that encapsulates the concept of a coordinated outfit consisting of three pieces. Additionally, you could refer to it as a "threesome ensemble", emphasizing the combination of three items that complement one another. Another alternative is the phrase "triple-set outfit", indicating a fashion set comprising three separate but matching pieces. By exploring these synonyms, you can add a touch of novelty and imagination to your fashion vocabulary when discussing a three-piece outfit.