Childlike

прилагательное по-детски простой, невинный, искренний, непосредственный Синоним(ы): childish

Большой англо-русский словарь

Childlike

adjective resembling, suggesting, or appropriate to a child or childhood; especially marked by innocence, trust, and ingenuousness Example: childlike delightchildlikeness noun

Merriam-Webster's Collegiate Dictionary