Definitions

1. verb

to adapt or become adapted to a new environment, especially a warmer or more humid climate, over a period of time

“The trekking group had to acclimatise to the high altitude before reaching the summit.”

2. verb

to make or become accustomed to something unpleasant or difficult

“She had to acclimatise to the new job after working for her family business for years.”

3. noun

the process of adapting to a new environment or climate

“The team is on the acclimatise stage of their expedition to the Arctic.”