Frolicsomely is often used to describe someone or something that is playful, cheerful, and lively. If you want to express this meaning using other words, there are several synonyms that you can use. Some of the most common ones include merrily, jovially, cheerfully, vivaciously, buoyantly, exuberantly, and joyously. These words all convey the same sense of fun and joy that frolicsomely does, but each one has its own unique connotations and nuances. So if you want to add a bit of variety and depth to your writing, consider using one of these synonyms instead of the usual word.