pontifical

nouns

the vestments and other insignia of a pontiff (especially a bishop)
is a type of (narrower)
gown (especially ceremonial garments) worn by the clergy

adjectives

proceeding from or ordered by or subject to a pope or the papacy regarded as the successor of the Apostles
"papal dispensation"
is derived from
pertains to
denoting or governed by or relating to a bishop or bishops
pertains to
puffed up with vanity
"a grandiloquent and boastful manner"; "overblown oratory"; "a pompous speech"; "pseudo-scientific gobbledygook and pontifical hooey"- Newsweek