The phrase "adopt accent" is correct and usable in written English.
It can be used when discussing the act of taking on a particular way of speaking or pronunciation, often to fit in with a specific group or culture.
Example: "In order to blend in with the locals, she decided to adopt the regional accent."
Alternatives: "assume an accent" or "take on an accent."
Much has been made of Carell's performance behind a prosthetic face but I find the makeup, like an adopted accent, cramps the actor somewhat.
Dench is known for wearing costumes, adopting accents and using role-play to discuss texts, and was described as "the most amazing, most inspirational" teacher.
Shane Dawson, 21, posts short comedy videos to YouTube, donning wigs and adopting accents to play a variety of characters.
Refer to pop culture and modern media and ask them to interpret them (it would be interesting to see how they can compare 'Dr. Jekyll and Mr. Hyde' to 'Fight Club') or you could make it mandatory for all the students to adopt an accent during one class (e.g. a British accent if you are teaching outside of England for example).
The character is a Geordie, which required the actor to adopt the accent.
And just to totally kill the idea of being able to adopt an accent when you're drunk, Clopper sent me off with a story to answer the question.
Wahlberg convinced director Michael Bay to allow him to adopt an accent for the film - a choice that Bay, as well as co-stars Anthony Mackie and Dwayne "The Rock" Johnson, was befuddled by.
Some of the non-German actors initially experimented with German accents, but Singer discarded the idea, instead instructing them to adopt neutral accents that "[wouldn't] distract from the story".
Ramos and Oliver have joked together on-air about being immigrants, defeated by telephone voice-recognition systems that force them to adopt American accents to make themselves understood.
Now, instead of a "foreign accent," most people think I'm from Los Angeles: I adopted the accent of the Olson twins.
