acclimatize

verb

1. (intransitive)To get used to a new climate, or to a new situation.

   “acclimatize to the new regulations”

   “She quickly acclimatized to her new job in a foreign country.”

   “The soldiers had to acclimatize before starting operations in the desert.”

2. (transitive)To make used to a new climate or one that is different from that which is natural; to inure or habituate to other circumstances; to adapt to the peculiarities of a foreign or strange climate.

   “acclimatize the staff to the new regulations”

   “It takes time to acclimatize oneself to the thin air of high mountains.”