Pontifically is an adverb that refers to a manner of speech or actions characterized by a sense of superiority, arrogance, or self-importance. Synonyms that can be used in place of pontifically include haughtily, imperiously, arrogantly, pompously, officiously, loftily, and condescendingly. Other synonyms that could be useful include bombastically, grandiosely, magisterially, authoritatively, and dominantly. All these words reflect an attitude of self-righteousness and self-importance, and generally describe a person who speaks or acts as if their opinions or actions are the only valid ones. While it is important to communicate with authority and confidence, it is essential to avoid coming across as overly opinionated or arrogant.