* Formal: "The professor continued to pontificate about the merits of his research, despite the students' growing disinterest."
* Informal: "My uncle loves to pontificate about politics at every family gathering, even though no one asks for his opinion."
* Humorous: "The cat pontificated on the importance of belly rubs, staring at me expectantly until I obliged."
Note: "Pontificate" often implies a sense of self-importance or a lack of willingness to listen to other perspectives.