Wiktionary
n. The state or quality of being childlike.
Usage examples of "childlikeness".
This was part of the principle of childlikeness that she had sought to establish as their recognized level of perception.
This came, I see now, from the essential childlikeness of his nature, and from no educational theory.
This graceful appearance of luxury was a sort of childlikeness which was full of charm in this gentle but austere household, which elevated poverty to dignity.
Just slowly, among his growing riches, Siddhartha had assumed something of the childlike people's ways for himself, something of their childlikeness and of their fearfulness.
Here was a brilliant man of science, humble and self-effacing, naive to the point of childlikeness, warm, personable, and unforgettable.