Definition of "transformative"

transformative

/trɑːnsˈfɔːmətɪv/

adjective
comparative more transformative, superlative most transformative
1. That causes a transformation; causing a notable and lasting change
  Quotations
  "You'll know the transformative effect that the Metro has had on the whole of Tyneside," says NCC [Northumberland County Council] leader Peter Jackson. "This new passenger line will have the same effect on southeast Northumberland. It's a transformative project and we're going to make sure it happens."
  2019 November 6, Graeme Pickering, “New targets for Northumberland”, in Rail, Peterborough, Cambridgeshire: Bauer Media, page 46
2. (linguistics) Chiefly in transformative-generative: of or relating to a theory of generative grammar in which defined operations called transformations produce new sentences from existing ones; transformational.