(used of persons or artifacts) marked by independence and creativity in thought or action; "an imaginative use of material"; "the invention of the knitting frame by another ingenious English clergyman"- Lewis Mumford; "an ingenious device"; "had an inventive turn of mind"; "inventive ceramics"
producing new life or offspring; "the reproductive potential of a species is its relative capacity to reproduce itself under optimal conditions"; "the reproductive or generative organs"
having the ability to produce or originate; "generative power"; "generative forces"
being of crucial importance; "a pivotal event"; "Its pivotal location has also exposed it to periodic invasions"- Henry Kissinger; "the polar events of this study"; "a polar principal"