The process of acclimatization or climatization refers to the adaptation of living beings to their environment. This process entails physiological and behavioral modifications to adjust to different physical conditions such as temperature, humidity, and altitude. Synonyms for climatization include acclimation, adaptation, adjustment, habituation, and familiarization. Acclimation is a gradual process of adapting to a new environment where an organism learns to cope with changing conditions. Habituation is when an organism becomes less responsive to a particular stimulus over time. Adaptation refers to gradual changes in genetic makeup over time as a result of environmental pressures. The term familiarization describes becoming used to a new environment. All of these terms refer to the process of becoming comfortable and acclimated to a new climate or environment.