The Collaborative International Dictionary of English v.0.48:

Adorable \A*dor"a*ble\, a. [L. adorabilis, fr. adorare: cf. F.
   adorable.]
   1. Deserving to be adored; worthy of divine honors.
      [1913 Webster]

            The adorable Author of Christianity.  --Cheyne.
      [1913 Webster]

   2. Worthy of the utmost love or respect.
      [1913 Webster]

WordNet (r) 3.0 (2006):

adorable
    adj 1: lovable especially in a childlike or naive way [syn:
           adorable, endearing, lovely]

Moby Thesaurus II by Grady Ward, 1.0:

49 Moby Thesaurus words for "adorable":
   E, acceptable, admirable, agreeable, ambrosial, angelic, appealing,
   appetizing, attractive, beloved, captivating, caressable, charming,
   cuddlesome, darling, dear, delectable, delicious, delightful,
   desirable, enviable, exciting, fetching, heavenly, kissable,
   likable, lovable, loved, lovely, lovesome, luscious, lush,
   mouth-watering, pleasing, provocative, scrumptious, seductive,
   seraphic, sweet, taking, tantalizing, tempting, to be desired,
   toothsome, unobjectionable, winning, winsome, worth having,
   yummy