stoic
adj//ˈstoʊ.ɪk//stoisk, stoiker
Of or relating to the Stoics or their ideas.
Not affected by pain or distress.
Not displaying any external signs of being affected by pain or distress.
(philosophy) Proponent of stoicism, a school of thought, from in 300 B.C.E. up to about the time of Marcus Aurelius, who holds that by cultivating an understanding of the logos, or natural law, one can be free of suffering.
A person indifferent to pleasure or pain.