stoicism

Indifference to pleasure or pain; impassiveness.

The doctrines or philosophy of the Stoics.

[capitalized] The opinions and maxims of the Stoics; also, the conduct recommended by the Stoics.

A real or pretended indifference to pleasure or pain; the bearing of pain without betraying feeling; calm fortitude.

Synonyms Insensibility, Impassibility, etc. See apathy.