easygoing

or eas·y-go·ing

[ ee-zee-goh-ing ]
/ ˈi ziˈgoʊ ɪŋ /

adjective

calm and unworried; relaxed and rather casual: an easygoing person.
going easily, as a horse.

Origin of easygoing

First recorded in 1665–75; easy + going

OTHER WORDS FROM easygoing

eas·y·go·ing·ness, noun