WINSOME

[adjective] [literary] approving - (esp. of people) attractive and pleasing, esp. because of child-like qualitiesMaria brought along her oldest daughter - a winsome lass with brown eyes and a ready smile.(disapproving) You can also call someone or something winsome if you think they are too charming, esp. in pretending to be like a child.It's that winsome smile of hers that makes me want to hit her.