Main entry: groundbreaking, innovational, innovative
Definition: being or producing something like nothing done or experienced or created before
Usage: stylistically innovative works; innovative members of the artistic community; a mind so innovational, so original
Antonyms: unoriginal
Definition: not original; not being or productive of something fresh and unusual
Main entry: modern, advanced, forward-looking, innovative
Definition: ahead of the times
Usage: the advanced teaching methods; had advanced views on the subject; a forward-looking corporation; is British industry innovative enough?
Antonyms: regressive
Definition: opposing progress; returning to a former less advanced state
Antonyms: regressive
Definition: (of taxes) adjusted so that the rate decreases as the amount of income increases