Gerontogeous is a complex and uncommon word that is used to describe something that is both old and beautiful. While there are only a few synonyms for this word, there are many other terms that can be used to convey a similar meaning. Some of the most commonly used synonyms for gerontogeous include elegant, classic, timeless, antique, vintage, and aged. Each of these words carries its own unique connotations and can be used to describe something that is old or has an aged appearance while still maintaining its beauty and charm. Whether you are referring to a piece of artwork, an antique piece of furniture, or a historic building, these words can be used to help convey a sense of age and beauty.