Adaptation may refer to

• Adaptation (biology), an anatomical structure, physiological process that has evolved in response to the physical environment. See also environmental adaptation.
• Use Adjustment for psychological, social or emotional adaptation
• Adaptive behavior behavior aimed at maintaining adequate functioning in terms of self care, social performance etc
• Adaptive capacity
• Adaptation (eye), ability of the eye to adjust to various levels of darkness and light. See light adaptation and dark adaptation
• Adaptability (personality)
• Adapted process, a type of stochastic process.
• Adaptive testing An interactive testing method usually using a computer.
• Evolutionary psychological adaptation
• Neural adaptation, the ability of neural systems to change their response behaviour depending on the recent stimulus history.See also sensory adaptation
• Psychological adaptation