seminal

That was at a seminal time for us actors from Chicago.

Praising the filmmaker, DiCaprio called him "a visionary and seminal director".

That was seen as a seminal event in post war economic history which severely undermined the economic credibility of the Callaghan government.

Back on our Zoom call, I ask Mosley whether he was thinking of Raymond Chandler’s seminal 1944 essay “The Simple Art of Murder” and the oft-quoted line “Down these mean streets…” when writing that passage.

Bush wrote a seminal report called “Science, The Endless Frontier,” which shaped how the federal government would fund research in the post-war world.