The term "be ribboning" refers to the activity of decorating something with one or more ribbons. There are several other words that you can use to convey the same meaning. For example, you can use the word "adorn" to refer to adding decorative features to something. Another option is "embellish," which means to make something more attractive by adding decorative features or details. "Deck out" is another synonym you can use, which means to decorate something in a grand or showy manner. Other words that can be used as synonyms for "be ribboning" include "festoon," "garland," "ornament," and "trim".