For″ti‐tude (?), n. [L. fortitudo, fr. fortis strong. See Fort.] 1. Power to resist attack; strength; firmness.
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.
Syn. — Courage; resolution; resoluteness; endurance; bravery. See Courage, and Heroism.