aggregative (agregativ)

[ Other things equal, the largest ma will, because of its superior aggregative force, become hotter than the others, and radiate more intensely. H. Spencer , Universal Progre , p. 293. 2. Tending to aggregate; gregarious; social. [Rare.] His [Mirabeau's] sociality, his aggregative nature will now be the quality of qualities for him. Carlyle, French Rev., I. iv. 4.