groundbreaking

from WordNet (r) 3.0 (2006)

groundbreaking
    adj 1: being or producing something like nothing done or
           experienced or created before; "stylistically innovative
           works"; "innovative members of the artistic community";
           "a mind so innovational, so original" [syn: {innovative},
           {innovational}, {groundbreaking}]
    n 1: the ceremonial breaking of the ground to formally begin a
         construction project [syn: {groundbreaking},
         {groundbreaking ceremony}]

from The Collaborative International Dictionary of English v.0.48

groundbreaking \ground"break`ing\ 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] groundcover

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