The Collaborative International Dictionary of English v.0.48:

Constellate \Con"stel*late\ (? or ?), v. i. [Pref. con- + L.
   stellatus, p. p. of stellare to cover with stars, stella
   star. See Stellate.]
   To join luster; to shine with united radiance, or one general
   light. [R.]
   [1913 Webster]

         The several things which engage our affections . . .
         shine forth and constellate in God.      --Boule.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Constellate \Con"stel*late\, v. t.
   1. To unite in one luster or radiance, as stars. [R.]
      [1913 Webster]

            Whe know how to constellate these lights. --Boyle.
      [1913 Webster]

   2. To set or adorn with stars or constellations; as,
      constellated heavens. --J. Barlow.
      [1913 Webster]

WordNet (r) 3.0 (2006):

constellate
    v 1: scatter or intersperse like dots or studs; "Hills
         constellated with lights" [syn: dot, stud,
         constellate]
    2: come together as in a cluster or flock; "The poets
       constellate in this town every summer" [syn: cluster,
       constellate, flock, clump]
    3: form a constellation or cluster