ADJECTIVE (2)

1. causing cohesion;
- Example: "a cohesive agent"

2. cohering or tending to cohere; well integrated;
- Example: "a cohesive organization"

The Collaborative International Dictionary of English v.0.48:

Cohesive \Co*he"sive\, a.
   1. Holding the particles of a homogeneous body together; as,
      cohesive attraction; producing cohesion; as, a cohesive
      force.
      [1913 Webster]

   2. Cohering, or sticking together, as in a mass; capable of
      cohering; tending to cohere; as, cohesive clay.
      [1913 Webster]

   Cohesive attraction. See under Attraction. --
      Co*he"sive*ly, adv. -- Co*he"sive*ness, n.
      [1913 Webster]

WordNet (r) 3.0 (2006):

cohesive
    adj 1: causing cohesion; "a cohesive agent"
    2: cohering or tending to cohere; well integrated; "a cohesive
       organization"

Moby Thesaurus II by Grady Ward, 1.0:

45 Moby Thesaurus words for "cohesive":
   adhering, agglutinate, cartilaginous, chewy, cleaving, clinging,
   coherent, cohering, coriaceous, durable, fibrous, gristly, hard,
   hardy, holding together, impartible, indiscerptible, indissoluble,
   indissolvable, indivisible, infrangible, infusible, inseparable,
   insoluble, lasting, leatherlike, leathery, resistant, ropy, sinewy,
   sticking, stiff, stringy, strong, stubborn, stuck, tenacious,
   tough, tough as leather, undividable, unified, untiring, vigorous,
   viscid, wiry