Lanvin is a luxury fashion brand that has become known for its chic, elegant designs and timeless appeal. Synonyms for the word "Lanvin" could include phrases such as luxury fashion, high-end style, haute couture, designer clothing, and premium fashion wear. Each of these phrases represents a sense of opulence and sophistication that the Lanvin brand is famous for. Other synonyms may include characteristics like refinement, quality, and luxury, all of which are signature marks of the Lanvin fashion house. Overall, the word "Lanvin" can be associated with premium fashion and sophistication, and any synonyms surrounding this same line of thinking will be fitting.