pontificial
/ˌpɒntɪˈfɪʃl/adjective
1Of, relating to, or belonging to a high-ranking cleric, especially the Pope.
- pontificial law noun canon law..
2Stately; lordly, imperious; depreciative haughty, arrogant, pompous.
Origin
Late 16th century; earliest use found in John Harington (bap. 1560, d. 1612), courtier and author. From classical Latin pontificius of or relating to a pontifex + -al. With use as adjective compare pontifical and pontifician. With use as noun compare pontifical and pontifician.