stoic

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

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

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

(adj) pertaining to Stoicism or its followers. Synonyms: Stoic.