Becoming comfortable takes time after moving or changing environments. I'm still settling in at my new job, so I'm learning something new every day.
Pro Tip 2/3
New Beginnings
Used when starting afresh, whether in a place or situation, indicating a transition. It's her first week in Berlin, and she's just starting to settle in.
Pro Tip 3/3
Not Instant
Settle in suggests a gradual process, not something that happens immediately. Give yourself time to settle in; you won't feel at home overnight.