WordNet (r) 3.0 (2006):

goodwill
    n 1: (accounting) an intangible asset valued according to the
         advantage or reputation a business has acquired (over and
         above its tangible assets) [syn: good will, goodwill]
    2: the friendly hope that something will succeed [syn: good
       will, goodwill]
    3: a disposition to kindness and compassion; "the victor's grace
       in treating the vanquished" [syn: grace, good will,
       goodwill]

Moby Thesaurus II by Grady Ward, 1.0:

108 Moby Thesaurus words for "goodwill":
   BOMFOG, Benthamism, Christian charity, Christian love, abetment,
   acquiescence, advocacy, aegis, agreeableness, alacrity, altruism,
   amenability, amity, an in, ardor, auspices, backing, beneficence,
   benevolence, benevolent disposition, benevolentness,
   bigheartedness, brotherly love, care, caritas, championship,
   charitableness, charity, cheerful consent, comity, compliance,
   consent, cooperativeness, countenance, custom, dispatch,
   do-goodism, docility, eagerness, encouragement, enthusiasm,
   expedition, favor, favorable disposition, favorable regard,
   favorableness, fellow feeling, flower power, forwardness,
   fosterage, friendliness, friendly relations, friendship, gameness,
   generosity, giving, good graces, good name, good terms,
   good understanding, grace, greatheartedness, guidance, harmony,
   helpfulness, humanitarianism, interest, kindliness, kindness,
   largeheartedness, love, love of mankind, mutual regard, patronage,
   philanthropism, philanthropy, pliability, pliancy, promptitude,
   promptness, rapport, readiness, receptive mood, receptiveness,
   receptivity, regard, repute, respect, responsiveness, right mood,
   seconding, sponsorship, sympathy, tolerance, tractability, trade,
   tutelage, ungrudgingness, unloathness, unreluctance,
   utilitarianism, welfarism, well-disposedness, willing ear,
   willing heart, willingness, zeal, zealousness