“Acclimatize” means what?

1. To get used to
2. To rest
3. to face the challenge
4. to train oneself

Out of the options you listed, “Acclimatize” means To get used to.

Here’s why:

• Acclimatize: This verb refers to the process of adapting to a new climate, environment, or situation. Your body or mind adjusts to the changes and functions more comfortably.