sustainability

n. ability to suffer (loss or injury); ability to be supported (emotionally or physically); ability to keep going for a long time (Business); ability to be kept going, ability of being sustainable; ability to survive without human interference, keep in existence (Botany)

Sustainability is a characteristic of a process or state that can be maintained at a certain level indefinitely. The term, in its environmental usage, refers to the potential longevity of vital human ecological support systems, such as the planet's climatic system, systems of agriculture, industry, forestry, and fisheries, and human communities in general and the various systems on which they depend.
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The ability of a force to maintain the necessary level of combat power for the duration required to achieve its objectives. 1/2/89

Aptitude d'une force à maintenir sa puissance de combat au niveau requis pendant la durée nécessaire à l'accomplissement de sa mission. 1/2/89

Noun
1. the property of being sustainable
(hypernym) property