The term "devilishment" refers to mischievous or wicked behavior. There are many synonyms for this word, including tomfoolery, shenanigans, pranks, mischief, devilry, naughtiness, and roguery. Each of these words conveys a sense of playfulness and fun with a hint of troublemaking. Other synonyms for "devilishment" might include hijinks, capers, escapades, horseplay, antics, and practical jokes. Whether you're talking about children getting into trouble, or grownups letting loose and having fun, there are plenty of words to describe this kind of behavior. No matter which word you choose, be sure to remember that a little bit of devilishment can be a good thing!