Source : Webster's Revised Unabridged Dictionary (1913)

Adhesiveness \Ad*he"sive*ness\, n.
   1. The quality of sticking or adhering; stickiness; tenacity
      of union.

   2. (Phren.) Propensity to form and maintain attachments to
      persons, and to promote social intercourse.

Source : WordNet®

adhesiveness
     n : the property of sticking together (as of glue and wood) or
         the joining of surfaces of different composition [syn: {adhesion},
          {adherence}, {bond}]