pontifical
pon-tif-i-cal
adjective
Displaying an air of excessive self-importance, solemnity, or dogmatic authority.
"He adopted a pontifical tone."
adjective
Relating to the Pope or a bishop, their office or authority.
"The pontifical vestments were displayed."
Thesaurus
Synonyms: apostolical, papal, apostolic, episcopal, overblown, pretentious, grandiloquent, portentous, pompous