Velvety-plumaged is a term used to describe birds or animals with soft and lustrous feathers. However, there are several synonyms that can also be used to describe such creatures. These include silken-feathered, satin-plumed, smooth-coated, glossy-feathered, sleek-feathered, soft-feathered, and shiny-feathered. Each of these words conveys a similar idea of smoothness, softness and shine. These adjectives can also be used to describe other creatures such as cats, dogs, and horses, that have a similarly smooth and glowing coat. Using these synonyms can add variety to your writing, and make your descriptions more vivid and engaging.