pontify
/pɑntɪˈfaɪ/Definitions
1. verb
to speak or act as if one were a pontiff; to speak or write in a pompous or affectedly ecclesiastical manner
“The politician pontified about the country’s economic future without providing any concrete solutions.”
2. noun
an instance of speaking or acting as if one were a pontiff
“The pontification of the self-proclaimed expert on social media was met with ridicule by the audience.”