- To acclimate is to be comfortable with something new, such as a new temperature or a new situation.
An example of acclimate is a student who begins to make friends and join clubs in his new school.
tr. & intr.v.ac·cli·mat·ed, ac·cli·mat·ing, ac·cli·mates
Origin of acclimateFrench acclimater : a-, to (from Latin ad-; see ad–) + climat, climate (from Old French; see climate).
(third-person singular simple present acclimates, present participle acclimating, simple past and past participle acclimated)