The Collaborative International Dictionary of English v.0.48:

Seductive \Se*duc"tive\, a.
   Tending to lead astray; apt to mislead by flattering
   appearances; tempting; alluring; as, a seductive offer.
   [1913 Webster]

         This may enable us to understand how seductive is the
         influence of example.                    --Sir W.
                                                  Hamilton.
   [1913 Webster]

WordNet (r) 3.0 (2006):

seductive
    adj 1: tending to entice into a desired action or state [ant:
           unseductive]

Moby Thesaurus II by Grady Ward, 1.0:

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