CHILDLY
childlike, childly
(adjective) befitting a young child; “childlike charm”
Source: WordNet® 3.1
Etymology
Adjective
childly (comparative more childly, superlative most childly)
Of or pertaining to a young child; childlike
Usage notes
Childly has a positive connotation, as opposed to the sometimes pejorative childish.
Synonyms
• juvenile, kiddish; see also childlike
Source: Wiktionary
Child"ly, a.
Definition: Having tthe character of a child; belonging, or appropriate, to
a child. Gower.
Child"ly, adv.
Definition: Like a child. Mrs. Browning.
Source: Webster’s Unabridged Dictionary 1913 Edition