Source : Webster's Revised Unabridged Dictionary (1913)

Childlike \Child"like\, a.
   Resembling a child, or that which belongs to children;
   becoming a child; meek; submissive; dutiful. ``Childlike
   obedience.'' --Hooker.

   Note: Childlike, as applied to persons grown up, is commonly
         in a good sense; as, childlike grace or simplicity;
         childlike modesty.

Source : WordNet®

childlike
     adj 1: befitting a young child; "childlike charm" [syn: {childly}]
     2: exhibiting childlike simplicity and credulity; "childlike
        trust"; "dewy-eyed innocence"; "simple courtesy" [syn: {wide-eyed},
         {dewy-eyed}, {simple}]