1.VerbTo 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.VerbTo 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."