1. [ adjective ] being or producing something like nothing done or experienced or created before
Synonyms: innovative innovational

"stylistically innovative works" "innovative members of the artistic community" "a mind so innovational, so original"

Related terms: original
2. [ noun ] the ceremonial breaking of the ground to formally begin a construction project
Synonyms: groundbreaking_ceremony
Related terms: ceremony beginning
Similar spelling:   groundbreaker