Fool caps are a type of headgear that is often associated with jesters in medieval times. Although it might not be a common word heard in today's language, there are several synonyms that can be used to describe these caps. Some of these synonyms include jester hats, fool's gear, clown headgear, and silly caps. These words can be used interchangeably to describe the same type of hat that is typically characterized by its bright colors, bells, and exaggerated design. Whether used to add a touch of whimsy to an outfit or to serve as a prop for a theatrical production, these synonyms for fool caps are useful in describing this unique type of headgear.