[markjohnson]

pon·tif·i·cate
verb
pänˈtifiˌkāt/
1.
(in the Roman Catholic Church) officiate as bishop, especially at Mass.
2.
express one's opinions in a way considered annoyingly pompous and dogmatic.
"he was pontificating about art and history"
synonyms: hold forth, expound, declaim, preach, lay down the law, sound off, dogmatize, sermonize, moralize, lecture; More