Dionysian

adjective 1. a. of or relating to Dionysius b. of or relating to the theological writings once mistakenly attributed to Dionysius the Areopagite 2. a. devoted to the worship of Dionysus b. characteristic of Dionysus or the cult of worship of Dionysus; especially being of a frenzied or orgiastic character — compare Apollonian

Merriam-Webster's Collegiate Dictionary