Caperer is a word that refers to someone who engages in high-spirited and playful activities, often with a sense of mischief or lightheartedness. However, there are several synonyms for caperer that can be used interchangeably to add variety to one's vocabulary. Some of these synonyms include frolicker, prankster, jester, joker, high-spirited individual, trickster, tomfool, and merry-maker. These words all convey the same sense of playfulness and lightheartedness as caperer, but each brings its own subtle nuance and connotation to the description. The use of synonyms can help to make writing more engaging and varied, and can add depth to a character in literature or storytelling.