Easygoing (adjective)

Not easily upset or excited; relaxed and tolerant.

Origin:

From the combination of the words "easy" and "going" meaning "not difficult to deal with".

Examples:

1. He was an easygoing person and always willing to help.
2. She had an easygoing attitude and was not easily stressed.
3. The easygoing atmosphere of the party made everyone feel comfortable.
4. The easygoing teacher was patient with the students.
5. The easygoing nature of the dog made it a good companion for children.