Answer: seminal

AnswerCrossword Clue
SEMINAL

Formative

SEMINAL

Groundbreaking

SEMINAL

Highly original and influential

SEMINAL
Original and influential
SEMINAL
Highly innovative
SEMINALInnovative
SEMINALGerminative
SEMINALOriginative
SEMINALHighly influential
SEMINALPrimary
SEMINALOriginal
SEMINALInfluential