settle in(to) (something or some place)
To become comfortable in and accustomed to a new location, environment, or circumstance. Well, how are you settling in after a week working here? I was surprised by how easily I settled into life in the country. Once we're settled in a bit, we're going to start exploring what the area has to offer.
settle into (something)
To become used to or comfortable with something new. Once you settle into a routine at your new job, I'm sure you'll feel less stressed.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
To become established or comfortable in some new environment or circumstance: She settled into her new job relatively quickly. After a few days at the camp, I settled into a routine.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.