The term 'stiffed pleated collar' is a type of clothing accessory. It is also known as a RUFF, which is a four-letter word that can be used to solve the crossword puzzle. A stiffed pleated collar is a type of collar that is made from pleated fabric and is stiffened with starch or glue. It is often seen in formal wear, such as tuxedos, and is usually made from lace or other delicate fabrics. The stiffed pleated collar is a classic look that has been around for centuries and is still popular today.