D defs.my
Entry 2 senses Webster, 1913

Fortitude

/fôr'-tĭt-o͞odˌ/ · For·ti·tude · IPA /ˈfɔːtɪtjuːd/
01 n. Power to resist attack; strength; firmness.
  1. 1.
    Power to resist attack; strength; firmness.[Obs.]
    “The fortitude of the place is best known to you.” Shak.
  2. 2.
    That strength or firmness of mind which enables a person to encounter danger with coolness and courage, or to bear pain or adversity without murmuring, depression, or despondency; passive courage; resolute endurance; firmness in confronting or bearing up against danger or enduring trouble.
    “Extolling patience as the truest fortitude.” Milton.
    Fortitude is the guard and support of the other virtues.” Locke.