The Collaborative International Dictionary of English v.0.48:

Sapid \Sap"id\, a. [L. sapidus, fr. sapere to taste: cf. F.
   sapide. See Sapient, Savor.]
   Having the power of affecting the organs of taste; possessing
   savor, or flavor.
   [1913 Webster]

         Camels, to make the water sapid, do raise the mud with
         their feet.                              --Sir T.
                                                  Browne.
   [1913 Webster]

WordNet (r) 3.0 (2006):

sapid
    adj 1: full of flavor [syn: flavorful, flavourful,
           flavorous, flavourous, flavorsome, flavoursome,
           sapid, saporous]

Moby Thesaurus II by Grady Ward, 1.0:

40 Moby Thesaurus words for "sapid":
   agreeable, ambrosial, appetizing, dainty, delectable, delicate,
   delicious, delightful, exquisite, flavored, flavorful, flavorous,
   flavorsome, flavory, good, good to eat, good-tasting, gustable,
   gusty, juicy, likable, luscious, lush, mouth-watering, nectareous,
   nectarous, nice, of gourmet quality, palatable, pleasing,
   relishing, saporific, saporous, savorous, savory, scrumptious,
   succulent, tasty, toothsome, yummy