The Collaborative International Dictionary of English v.0.48:

Spruce \Spruce\ (spr[udd]s), a. [Compar. Sprucer
   (spr[udd]"s[~e]r); superl. Sprucest (spr[udd]"s[e^]st).]
   [Perhaps fr. spruce a sort of leather from Prussia, which was
   an article of finery. See Spruce, n.]
   1. Neat, without elegance or dignity; smart; trim; --
      formerly applied to things with a serious meaning; now
      chiefly applied to persons. "Neat and spruce array."
      --Remedy of Love.
      [1913 Webster]

   2. Sprightly; dashing. [Obs.] "Now, my spruce companions."
      --Shak.
      [1913 Webster]

            He is so spruce that he can never be genteel.
                                                  --Tatler.
      [1913 Webster]

   Syn: Finical; neat; trim. See Finical.
        [1913 Webster] -- Spruce"ly, adv. -- Spruce"ness, n.
        [1913 Webster]

WordNet (r) 3.0 (2006):

spruceness
    n 1: the state of being neat and smart and trim [syn:
         neatness, spruceness]