easy-going
US /ˌiː.ziˈɡoʊ.ɪŋ/
UK /ˌiː.ziˈɡoʊ.ɪŋ/

1.
tranquilo, relajado, tolerante
relaxed and tolerant in attitude or manner
:
•
She has a very easy-going personality.
Ella tiene una personalidad muy tranquila.
•
He's an easy-going boss who rarely gets upset.
Es un jefe tranquilo que rara vez se molesta.