Plumigerous is an adjective that describes something that is feathered. However, there are various synonyms for this word that can add more depth and nuance to its meaning. Some of the words that are often used as substitutes for plumigerous include feathered, plumaceous, feathery, downy, and hairy. Each of these words has its own unique connotations that can help describe different types of feathers. For instance, feathered is a more general term while plumaceous tends to be used to describe feathers that are thick and full. Conversely, feathery and downy are often used to describe feathers that are soft and delicate. Therefore, depending on the context, choosing the right synonym can help paint a more vivid picture of the object being described.