The word "most quilted" can be replaced with several synonyms that convey a similar meaning. The term "padded" is one such synonym, which denotes something that is thickly layered or cushioned. Additionally, the word "quilted" can be substituted with "stitched," which refers to the act of sewing two or more layers of fabric together. Another alternative would be to use the word "cushioned," which suggests a soft, comfortable texture. The phrase "heavily lined" is also a synonym that could be used to describe something that is most quilted. In summary, there are several synonyms for the term "most quilted," each with slight variations in meaning and connotation.