Childlike
Childlike is an adjective used to describe qualities or appearances that resemble those of a child, particularly innocence, simplicity, wonder, spontaneity, or trust. It is formed from the noun child and the suffix -like, and has been in use in English since the Middle Ages. In contemporary language it often carries a positive or affectionate nuance, as in childlike wonder or childlike simplicity, rather than implying immaturity.
In contrast to the related term childish, which can carry a negative judgment about immaturity or pettiness,
Common contexts for the term include descriptions of behavior, emotion, or perception that are open, unpretentious,
Usage notes: while usually positive, the term can be problematic if it implies demeaning stereotypes about