The term "most plumose" refers to something that is fringed or feathered in appearance. There are several synonyms for this term that can be used interchangeably depending on the context in which it is being used. For instance, the term "fluffy" can be used to describe something that is plush and has a soft texture. Similarly, the term "feathery" can refer to something that is light and airy, resembling the characteristics of a feather. Other synonyms that can be used include "furry," "hairy," and "downy," which describe objects that are covered with fine hair or fur. Overall, "most plumose" is a descriptive term that can be used in a variety of ways to convey different meanings and nuances.