Adaptability

n. ability to adjust to one's environment; ability to be modified

An adaptation is a positive characteristic of an organism that has been favored by natural selection. The concept is central to biology, particularly in evolutionary biology. The term adaptation is also sometimes used as a synonym for natural selection, but most biologists discourage this usage.
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Adaptation /ad·ap·ta·tion/ 1. the adjustment of an organism to its environment, or the process by which it enhances such fitness. 2. [more]Adaptability - Community and Resources

Noun
1. the ability to change or be changed to fit changed circumstances
(antonym) unadaptability
(hypernym) ability
(hyponym) flexibility

(n.)
Alt. of Adaptableness