The term 'Fashionable Fur' can be summarized by the crossword solution 'SABLE' (5 letters). SABLE is a type of fur that is highly sought after and is considered to be one of the most luxurious and fashionable furs in the world. It is derived from the SABLE, a species of marten native to Russia, and is known for its softness, durability, and beautiful color. SABLE fur is often used in high-end fashion garments and accessories, making it a popular choice among those looking for a luxurious and fashionable look.