Sit back and Settle back

Sit back verb - Settle into a comfortable sitting position.

Settle back and sit back are semantically related in relax topic. In some cases you can use "Settle back" instead a verb "Sit back", when it comes to topics like be or feel at ease.

Sit back and settle back are semantically related in relax topic. You can use "Sit back" instead a verb "Settle back", if it concerns topics such as be or feel at ease.