to become familiar with; to get used to; to become accustomed to; to adapt oneself to; to become attached to; to become friendly with
to come to fit; to go (well) with; to suit; to match; to harmonize (with); to blend in (with); to agree with (e.g. one's skin)
新しい環境にすぐ馴染んだ。
I quickly got used to the new environment.
この靴は足に馴染んで歩きやすい。
These shoes fit my feet well and are easy to walk in.
地域に馴染むまで時間がかかった。
It took time to become familiar with the area.