The Collaborative International Dictionary of English v.0.48:

Kind-hearted \Kind"-heart`ed\, a.
   Having kindness of nature; sympathetic; characterized by a
   humane disposition; as, a kind-hearted landlord.
   [1913 Webster]

         To thy self at least kind-hearted prove. --Shak.
   [1913 Webster]

WordNet (r) 3.0 (2006):

kindhearted
    adj 1: having or proceeding from an innately kind disposition;
           "a generous and kindhearted teacher" [syn: kindhearted,
           kind-hearted]

Moby Thesaurus II by Grady Ward, 1.0:

27 Moby Thesaurus words for "kindhearted":
   Christian, Christlike, Christly, affectionate, benign, benignant,
   brotherly, compassionate, decent, fraternal, good, gracious, human,
   humane, kind, kindly, kindly-disposed, loving, nice, responsive,
   softhearted, sympathetic, sympathizing, tender, tenderhearted,
   warm, warmhearted