acclimatization
noun
[ əˌklʌɪmətʌɪˈzeɪʃ(ə)n ]
• the process or result of becoming accustomed to a new climate or to new conditions.
• "the most important feature of acclimatization to high altitude is an increase in the rate and depth of breathing"
Similar:
adjustment,
adaptation,
attunement,
accommodation,
habituation,
familiarization,
acclimation,
acculturation,
inurement,
hardening,
seasoning,
conditioning,
assimilation,
integration,
domestication,
naturalization,