The word "olio" is defined as a mixture or hodgepodge of various things, often of different types or origins. There are several synonyms for "olio" that can be used to convey this idea, such as mishmash, medley, potpourri, amalgamation, jumble, and mixture. These words can all be used to describe a collection of various elements without a clear or specific theme or organization. Other options include smorgasbord, sampler, buffet, and platter, which are often used to describe a variety of food items served together. No matter which synonym is used, they all convey the sense of a diverse and eclectic combination of things.