The Collaborative International Dictionary of English v.0.48:

Appetizing \Ap"pe*ti`zing\, adv.
   So as to excite appetite.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Appetizing \Ap"pe*ti`zing\, a. [Cf. F. app['e]tissant.]
   Exciting appetite; as, appetizing food.
   [1913 Webster]

         The appearance of the wild ducks is very appetizing.
                                                  --Sir W.
                                                  Scott.
   [1913 Webster]

WordNet (r) 3.0 (2006):

appetizing
    adj 1: appealing to or stimulating the appetite especially in
           appearance or aroma [syn: appetizing, appetising]
           [ant: unappetising, unappetizing]

Moby Thesaurus II by Grady Ward, 1.0:

73 Moby Thesaurus words for "appetizing":
   acceptable, adorable, agreeable, alluring, appealing, attractive,
   beguiling, bewitching, blandishing, cajoling, captivating,
   catching, charismatic, charming, coaxing, come-hither, coquettish,
   desirable, enchanting, engaging, enravishing, enthralling,
   enticing, entrancing, enviable, exciting, exotic, fascinating,
   fetching, flavorsome, flirtatious, glamorous, hypnotic,
   interesting, intriguing, inviting, irresistible, likable, lovable,
   mesmeric, mouth-watering, piquant, pleasing, prepossessing,
   provocative, provoquant, ravishing, relishing, sapid, saporous,
   savory, seducing, seductive, siren, sirenic, spellbinding,
   spellful, taking, tantalizing, tasteful, tasty, teasing, tempting,
   tickling, titillating, titillative, to be desired, toothsome,
   unobjectionable, winning, winsome, witching, worth having