fortitude

fortitude is a Noun

Definition:

[1] Power to resist attack; strength; firmness. [Obs.] The fortitude of the place is best known to you. Shak.

[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.