nice person; good-natured person
Describes a person who is pleasant, kind, and easy to get along with. Often used in casual conversation.
He's a really nice person, isn't he?
I want to be friends with that good-natured person.
Compound of 結構 (けっこう, 'splendid, nice') and 人 (じん, 'person'). The exact origin is uncertain, but it likely emerged as a colloquial term for a person of admirable character.