PHILOS'OPHIZE, verb intransitive [from philosophy.] To reason like a philosopher; to search into the reason and nature of things; to investigate phenomena and assign rational causes for their existence. Sir Isaac Newton lays down four rules of philosophizing. Two doctors of the schools were philosophizing on the advantages of mankind above all other creatures.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI