Stoic

(noun) a member of the ancient Greek school of philosophy founded by Zeno. Example: "A stoic achieves happiness by submission to destiny."

(noun) someone who is seemingly indifferent to emotions. Synonyms: stoic, unemotional person.

(adj) seeming unaffected by pleasure or pain; impassive. Synonyms: stoic, stoical. Examples: "Stoic courage." "Stoic patience." "A stoical sufferer."

(adj) pertaining to Stoicism or its followers.