childlike
innocent / naive / simple / youthful
Adjective
This term carries a strong positive connotation, emphasizing purity, openness, and a sense of wonder. It describes a state of being that is admirable and untainted by the cynicism or complexity of adulthood. It is distinct from "childish," which is almost always pejorative and refers to immaturity, selfishness, or inappropriate behavior for one's age. While "childlike" celebrates the virtues of childhood, "childish" criticizes the flaws.