Incorporative \In*cor"po*ra*tive\, a. Incorporating or tending to incorporate; as, the incorporative languages (as of the Basques, North American Indians, etc. ) which run a whole phrase into one word.

History demonstrates that incorporative unions are solid and permanent; but that a federal union is weak. --W. Belsham.

Source: Webster's Revised Unabridged Dictionary (1913)