The word "ornamenting" means adding decoration or embellishment to something. Synonyms for "most ornamenting" could include "most decorative," "most ornamental," "most embellishing," "most adorning," "most beautifying," "most enhancing," and "most bedecking." All of these words imply that something is being made more aesthetically pleasing or appealing by the addition of decorative elements. For example, a room might be decorated with the most ornamental furniture and furnishings, or a piece of clothing might be embellished with the most decorative trim or embroidery. Ultimately, the goal of using these synonyms is to convey a sense of elegance, beauty, and refinement in whatever is being ornamented.