Jazzily is an adverb that describes something being done in a "Cool" or "stylish" way. It is associated with the music genre of Jazz and the spontaneity and creativity associated with it. Some synonyms for jazzily include swankily, stylishly, suavely, smoothly, elegantly, and sophisticatedly. These words all hint at a certain level of sophistication and class, much like the musical style of Jazz. To describe someone moving with controlled, rhythmic movements, other words may be used, such as sleekly or hiply. Similarly, to describe something being done in a sassy or confident way, one might use words like confidently, boastfully, or unapologetically.