Swan's down is a soft and delicate material that is commonly used for clothing and bedding. However, there are a number of other synonyms that can describe this type of material. For example, the term "fleece" can be used to describe a similar type of soft and fluffy material that is commonly used for blankets and jackets. Additionally, the term "cashmere" can be used to describe a type of wool that is also soft and warm. Finally, the term "mohair" can be used to describe a type of fabric that is made from the hair of the Angora goat. All of these materials have a similar softness and delicacy to swan's down.
