This is the 2491st most frequent Catalan word.
tranquil
Calm; quiet; peaceful.
Here, 'tranquil' is used as an adjective to describe someone's emotional or mental state of being calm.
Ell està tranquil perquè ha acabat la feina.
He is calm because he has finished the work.
In this sentence, 'tranquil' is used to describe the nature of the environment or lifestyle as being peaceful.
Pot ser tranquil viure al camp.
Living in the countryside can be peaceful.
Here, 'tranquil' is used to describe the child's state of feeling calm and reassured.