From Longman Dictionary of Contemporary Englishphilosophizephi‧los‧o‧phize (also philosophise British English) /fəˈlɒsəfaɪz $ -ˈlɑː-/ AWL verb [intransitive] RPto talk about serious subjects in detail or for a long time→ See Verb table
Examples from the Corpus
philosophize• Jon doesn't go in much for philosophizing.• Such abstract philosophizing drives true poets around the bend, up the wall, and over the top. 