\Phi*los"o*phize\, v. i. [imp. & p. p.
{Philosophized}; p. pr. & vb. n. {Philosophizing}.]
To reason like a philosopher; to search into the reason and
nature of things; to investigate phenomena, and assign
rational causes for their existence.

      Man philosophizes as he lives. He may philosophize well
      or ill, but philosophize he must.        --Sir W.
                                               Hamilton.