Woolsack is a term used to describe a large cushion or bag filled with wool that is used as a symbol of English power and justice. However, there are several synonyms for Woolsack that refer to similar objects or concepts. One such synonym is a "cushion of state," which is also a large cushion placed on a throne or other ceremonial seat to indicate authority. Another synonym is a "fabric bag," which refers to a bag made of wool or other material used for carrying goods. Finally, a "judicial seat" is another synonym for Woolsack, as it also represents the seat of power and justice in law courts.