1. composure, stability, self-possession; submissiveness, sufferance. Patience, endurance, fortitude, stoicism imply qualities of calmness, stability, and persistent courage in trying circumstances. Patience may denote calm, self-possessed, and unrepining bearing of pain, misfortune, annoyance, or delay; or painstaking and untiring industry or (less often) application in the doing of somehing: to bear afflictions with patience. Endurance denotes the ability to bear exertion, hardship, or suffering (without implication of moral qualities required or shown): Running in a marathon requires great endurance. Fortitude implies not only patience but courage and strength of character in the midst of pain, affliction, or hardship: to show fortitude in adversity. Stoicism is calm fortitude, with such repression of emotion as to seem almost like indifference to pleasure or pain: The American Indians were noted for stoicism under torture. 3. indefatigability, persistence, assiduity.