From Longman Dictionary of Contemporary Englishgo nativego nativeSAIMITATEto behave, dress, or speak like the people who live in the country where you have come to stay or work – used humorously Austen has been living in New Guinea so long he’s gone native. → native
Examples from the Corpus
go native• Austen has been living in Papua New Guinea so long he's gone native.• There would be no going native at Zhanjiang. 