Plume-like refers to something that has a feathery or flowing appearance, much like the feathers on a bird's plume. There are many words in the English language that can be used as synonyms for plume-like, including feather-like, tufted, fluffy, downy, wispy, and frond-like. Feather-like and tufted are often used to describe the appearance of plants or flowers, while fluffy and downy are typically used to describe soft, light fabrics or materials. Wispy and frond-like are more commonly used to describe the appearance of clouds or smoke. When looking for a synonym for plume-like, it's important to consider the context and intended meaning of the word.