1) Designer clothes 2) Dressmaking 3) Dressmaking and designing 4) Fashion design 5) Fashion-design business 6) French word used in English 7) Haute stuff 8) High fashion 9) High fashion designing 10) High-fashion designing 11) Tailoring 12) The occupation of a couturier 1) Instyle 
High fashion with a big emphasis on detail, fit, finish, and quality.
[n] - high fashion designing and dressmaking
design and making of fashionable garments
couture 1. The business of designing, making (sewing), and selling highly fashionable, usually custom-made clothing for women. 2. Dressmakers and fashion designers considered as a group. 3. The high-fashion clothing created by designers.
noun high fashion designing and dressmaking
the occupation of a couturier; dressmaking and designing. · fashion designers or couturiers collectively. · the clothes and related articles designed by such designers. · the business establishments of such designers, esp. where clothes are made to order.