This is the 6809th most frequent Korean word.
익숙한
Familiar.
Adjective describing the subject's adjustment to a condition.
이제는 새로운 환경에 익숙한 느낌이 들어.
Now, I feel accustomed to the new environment.
Adjective modifying '멜로디' (melody) to denote recognition.
그 노래는 내게 익숙한 멜로디를 떠올리게 한다.
That song reminds me of a familiar melody.
Adjective modifying '길' (path) to express familiarity.