The Collaborative International Dictionary of English v.0.48:

Prize \Prize\, v. t. [imp. & p. p. Prized; p. pr. & vb. n.
   Prizing.] [F. priser, OF. prisier, preisier, fr. L.
   pretiare, fr. pretium worth, value, price. See Price, and
   cf. Praise.] [Formerly written also prise. ]
   [1913 Webster]
   1. To set or estimate the value of; to appraise; to price; to
      rate.
      [1913 Webster]

            A goodly price that I was prized at.  --Zech. xi.
                                                  13.
      [1913 Webster]

            I prize it [life] not a straw, but for mine honor.
                                                  --Shak.
      [1913 Webster]

   2. To value highly; to estimate to be of great worth; to
      esteem. "[I] do love, prize, honor you. " --Shak.
      [1913 Webster]

            I prized your person, but your crown disdain.
                                                  --Dryden.
      [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

42 Moby Thesaurus words for "prized":
   ad valorem, admired, adored, appraised, appreciated, assessed,
   beloved, cherished, darling, dear, dearly beloved, esteemed,
   evaluated, favorite, good for, held dear, held in respect,
   highly considered, honored, in high esteem, loved, much-admired,
   pet, popular, precious, prestigious, priced, pro rata, rated,
   respected, revered, reverenced, treasured, valued, valued at,
   venerated, well-beloved, well-considered, well-liked,
   well-thought-of, worshiped, worth