philosophical

Of, relating to, or based on a system of philosophy.

Characteristic of a philosopher, as in equanimity, enlightenment, and wisdom.

Philosophic.

Relating or belonging to philosophy or philosophers; proceeding from, based on, in keeping with, or used in philosophy or in philosophic study or research.

Befitting a philosopher; calm; temperate; wise; controlled by reason; undisturbed by passion; self-controlled.