From Longman Dictionary of Contemporary Englishhabituéha‧bit‧u‧é /həˈbɪtʃueɪ/ noun [countable + of] formalALWAYS/EVERY TIME someone who regularly goes to a particular place or event SYN regular
Examples from the Corpus
habitué• Outrageously camp and very witty, Paul was an habitué of the Colony Room where he and Minton may have first met.Origin habitué (1800-1900) French Late Latin habituare “to habituate”, from Latin habitus; → HABIT 