He became completely/totally 'immersed in' their culture.
She had 'immersed' herself 'in' writing short stories.
He 'immersed' himself 'in' the culture of the island.
(..) I need some sleep, but... I'm fine. Yeah? Y'know, I was doing some reading about this idea that... if you immerse yourself into a foreign language, that you can actually rewire your brain. Yeah, the Sapir–Whorf hypothesis. It is a theory that... (..)2016 Arrival