attitudinize
/ˌætɪˈtuːdɪnaɪz/
verb
- To behave or speak in a way that is meant to impress others or show off one's opinions or feelings.
- He tends to attitudinize at parties, trying to seem more intellectual than he really is.
- Instead of having a real conversation, she just attitudinized about her supposed artistic genius.
- The politician attitudinized for the cameras, striking dramatic poses during the speech.