IPA: //əˈklɪmeɪt//
KK: /ˈæk.lɪ.meɪt/
To get used to a new place, situation, or condition, often by adjusting one's behavior or habits.
It took her a few weeks to acclimate to the high altitude of the mountains.
Past: acclimated
Past Participle: acclimated
Acclimate is formed from "ad-" (meaning to or toward) and "climare" (meaning to climb or to slope). The word describes the process of adjusting or adapting to a new environment, as if one is climbing to a new height or level of comfort in that environment.
Think of 'climbing' ('climare') to a new 'level' or 'height' of comfort in a new environment when you acclimate.