Definitions

1. verb

to become or get used to a new environment or situation, especially a hot or cold climate

“After moving to a tropical island, she took a week to acclimatize to the heat.”

2. verb

to make someone or something used to a new environment or situation

“The doctor advised the patient to acclimatize to the new medication gradually.”

3. noun

the process of becoming or getting used to a new environment or situation

“The hikers had to undergo a period of acclimatization before reaching the high altitude.”