Stoic
/ˈstoʊɪk/ adjective easyEnduring hardship or pain without complaining or showing much emotion.
She remained stoic through the surgery, never once mentioning the pain to her worried family.
Memory Trick
Named for the ancient Stoic philosophers, who taught calm acceptance of fate while teaching under a painted porch, or 'stoa,' in Athens -- a stoic person keeps that same unshaken calm.