Daughterly

from WordNet (r) 3.0 (2006)

daughterly
    adj 1: befitting a daughter; "daughterly affection"

from The Collaborative International Dictionary of English v.0.48

Daughterly \Daugh"ter*ly\, a.
   Becoming a daughter; filial.
   [1913 Webster]

         Sir Thomas liked her natural and dear daughterly
         affection towards him.                   --Cavendish.
   [1913 Webster]