The term 'Fashionable Boss' can be broken down into two crossword solutions: Hugo (4 letters). Hugo is a popular French fashion designer who has been in the industry since the 1970s. He is known for his classic, timeless designs that have become staples in many wardrobes. He is also the founder of the luxury fashion house, Hugo Boss, which has become a global brand. Hugo's designs are often seen on the red carpet and have been worn by celebrities and royalty alike.