[1] : The Collaborative International Dictionary of English v.0.48

childlike \child"like`\ chimacld"limack`, a.
   resembling a child, or that which belongs to children;
   becoming a child; meek; submissive; dutiful. "childlike
   obedience." --hooker.
   1913 webster

   note: childlike, as applied to persons grown up, is commonly
         in a good sense; as, childlike grace or simplicity;
         childlike modesty.
         1913 webster

[2] : WordNet (r) 2.0

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
see also:
childly wide-eyed dewy-eyed simple 

[3] : Moby Thesaurus II by Grady Ward, 1.0

91 moby thesaurus words for "childlike":
   angelic, artless, babish, babyish, beardless, blameless, bluff,
   blunt, born yesterday, boyish, boylike, calflike, candid, childish,
   clear, coltish, confiding, credulous, decrepit, dependent,
   depending, direct, doddering, doddery, doited, doting, dovelike,
   faultless, frank, girlish, girllike, guileless, guiltless,
   immature, in the clear, incorrupt, infantile, infantine, ingenu,
   ingenuous, innocent, kiddish, lamblike, maiden, maidenly, naive,
   not guilty, offenseless, open, openhearted, outspoken, plain,
   prelapsarian, pristine, puerile, puplike, puppyish, puppylike,
   reliant, relying, reproachless, sans reproche, senile, simple,
   simplehearted, simpleminded, sincere, single-hearted,
   single-minded, sinless, trustful, trusting, trusty, unassuming,
   uncorrupted, undefiled, undissembling, unfallen, unguarded,
   unlapsed, unreserved, unsophisticated, unsuspecting, unsuspicious,
   untouched by evil, unwary, with clean hands, without reproach,
   without suspicion, young, youthful

Childlike >> C Words
Childlike, definition of term: Childlike
childlike_pag1.html