ac·cli·ma·tize 
(ə-klīmə-tīz′)
(ə-klīmə-tīz′)v. ac·cli·ma·tized, ac·cli·ma·tiz·ing, ac·cli·ma·tiz·es
v.tr.
1. To acclimate. See Synonyms at harden.
2. To adapt (oneself), especially to environmental or climatic changes.
v.intr.
To become acclimated or adapted.
ac·clima·tiz′er n.