The phrase "adapting himself" is correct and usable in written English.
It can be used when describing someone who is adjusting or modifying their behavior or approach to fit a new situation or environment.
Example: "In order to succeed in the new role, he focused on adapting himself to the company's culture and values."
Alternatives: "adjusting himself" or "modifying himself".
— until days before school began... um, that means he's adapting himself for what, exactly?
"He is, I believe, the first important English writer who has deliberately chosen this country and who has succeeded in adapting himself to it.
Through some of the Duke's pieces sell for $15,000, he is adapting himself to the times, & be in stock a number of items fabricated from shelld & pebble There are mounted in gold or incrusted with diamonds, or both.
He's notoriously "soft" on immigration, but if his recent reversal on cap-and-trade is any indication, he's perfectly capable of adapting himself to the GOP's evolving hard line.
Adapting himself to fiction with much of the same garrulous intensity he brings to plays and monologues, Mr. Bogosian sets in motion a suburban nightmare populated by one-note, clueless characters who are presented here with various degrees of contempt.
With the encouragement and support of his superior, Allesandro Valignano, Ricci revolutionized the Jesuit approach by mastering spoken and written Chinese — original editions of the books he wrote in Chinese are on display — assuming the Chinese name Li Madou, by which he remains widely known in China, and generally adapting himself to local customs.
After WWII, Arvin adapted himself to the new postwar conservatism.
"It can stabilize everything, if he's able to change himself, to adapt himself.
It remains to be seen how well Obama adapts himself to campaigning.
It took Goethe more than 10 years to adapt himself to life at the court.
As he struggled painfully to adapt himself to Western food, dress, and etiquette, he felt awkward.
