[syn: affection, affectionateness, fondness, tenderness, heart, warmness, warmheartedness, philia]
The Collaborative International Dictionary of English v.0.48:
Warm-hearted \Warm"-heart`ed\, a.
   Having strong affection; cordial; sincere; hearty;
   sympathetic. -- Warm"-heart`ed*ness, n.
   [1913 Webster]
WordNet (r) 3.0 (2006):
warmheartedness
    n 1: a warmhearted feeling [syn: warmheartedness, warmth]
    2: a positive feeling of liking; "he had trouble expressing the
       affection he felt"; "the child won everyone's heart"; "the
       warmness of his welcome made us feel right at home" [syn:
       affection, affectionateness, fondness, tenderness,
       heart, warmness, warmheartedness, philia]