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

affectionate \affec"tionate\, a. cf. f. affectionn'e.
   1. having affection or warm regard; loving; fond; as, an
      affectionate brother.
      1913 webster

   2. kindly inclined; zealous. obs. --johson.
      1913 webster

            man, in his love god, and desire to please him, can
            never be too affectionate.            --sprat.
      1913 webster

   3. proceeding from affection; indicating love; tender; as,
      the affectionate care of a parent; affectionate
      countenance, message, language.
      1913 webster

   4. strongly inclined; -- with to. obs. --bacon.
      1913 webster

   syn: tender; attached; loving; devoted; warm; fond; earnest;
        ardent.
        1913 webster

[2] : WordNet (r) 2.0

affectionate
     adj : having or displaying warmth or affection; "affectionate
           children"; "caring parents"; "a fond embrace"; "fond of
           his nephew"; "a tender glance"; "a warm embrace" syn:
           caring, fond, lovesome, tender, warm
see also:
caring fond lovesome tender warm 

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

50 moby thesaurus words for "affectionate":
   christian, christlike, christly, adoring, benign, benignant,
   brotherly, caring, compassionate, conjugal, dear, decent,
   demonstrative, devoted, doting, faithful, filial, fond, fraternal,
   good, gracious, human, humane, husbandly, kind, kindhearted,
   kindly, kindly-disposed, languishing, lovelorn, lovesick, lovesome,
   loving, maternal, melting, nice, parental, paternal, romantic,
   sentimental, soft, softhearted, sympathetic, sympathizing, tender,
   tenderhearted, uxorious, warm, warmhearted, wifely

Affectionate >> A Words
Affectionate, definition of term: Affectionate
affectionate_pag1.html