The phrase "adapt herself" is correct and usable in written English.
It can be used when discussing someone's ability to adjust or change in response to new conditions or environments.
Example: "In order to succeed in her new role, she had to adapt herself to the fast-paced work environment."
Alternatives: "adjust herself" or "acclimate herself".
Due to her English heritage, it was difficult for to adapt herself to the Spanish temper.
Loren plays the provincial solicitor's wife as an Italian woman trying to adapt herself to English society.
Insensible to the need of caution for a newly crowned queen, unable to adapt herself to novel circumstances, and lacking self-interest, Mary longed to bring her people back to the church of Rome.
"My sister had been magically suited to the wild country of childhood but it remained to be seen how she would adapt herself to the uniform and yet more complex world that grown girls enter," Williams wrote of Miss Rose, as he called her, who was his boon companion nad a bulwark against his "haunted household".
She adapted herself to Bollywood so well.
Yet she has adapted herself quite fluently to the world of high-end fashion, and its prices.
"People use the phrase 'I'm gonna make it my own.' With Cate, it's quite the opposite; it's about adapting herself".
The Fountainhead (1949) was prestigious enough, but somehow Ayn Rand's best-selling novel (which she adapted herself) resisted Vidor's attempts to translate it to the screen.
"So either she does not have the strength to push that idea, or she has adapted herself to the prevailing forces".
Always interested in adapting herself and her music to the contemporary compositions, Madonna was inspired by the new Massive Attack and Lemon Jelly albums.
Chloe Arnold, in "Phenomenal Woman," cluttered her unfettered dancing with poetry by Maya Angelou (adapted by herself), and the ensemble Zen wore sunflowers on their costumes and beaming smiles as three performers pounded out a unison dance.
