(adj) being or producing something like nothing done or experienced or created before, Syn. innovational, groundbreaking, Example:stylistically innovative works; innovative members of the artistic community; a mind so innovational, so original
n. The ceremonial breaking of the ground to formally begin a construction project. It is sometimes carried out by an official who digs the first spadeful of dirt from the ground, to begin the preparatory excavation work. Syn. -- groundbreaking ceremony. [ WordNet 1.5 ]