pontifical -- (the vestments and other insignia of a pontiff (especially a bishop))
Overview of adj pontifical
The adj pontifical has 3 senses
papal, apostolic, apostolical, pontifical -- (proceeding from or ordered by or subject to a pope or the papacy regarded as the successor of the Apostles; "papal dispensation")
episcopal, pontifical -- (denoting or governed by or relating to a bishop or bishops)
grandiloquent, overblown, pompous, pontifical, portentous -- (puffed up with vanity; "a grandiloquent and boastful manner"; "overblown oratory"; "a pompous speech"; "pseudo-scientific gobbledygook and pontifical hooey"- Newsweek)