Source : Webster's Revised Unabridged Dictionary (1913)

Agglomerative \Ag*glom"er*a*tive\, a.
   Having a tendency to gather together, or to make collections.

         Taylor is eminently discursive, accumulative, and (to
         use one of his own words) agglomerative. --Coleridge.

Source : WordNet®

agglomerative
     adj : clustered together but not coherent; "an agglomerated flower
           head" [syn: {agglomerate}, {agglomerated}, {clustered}]