groundbreaking

It marked a groundbreaking moment in how the country viewed Jews, especially Jewish women.

She is groundbreaking on the problem of methane leaks in natural-gas fracking, an exception that swallows the rule.

The ABC comedy, while still entertaining, stopped being groundbreaking long ago, and serves largely as comedy comfort food.

This is number four on my list, and it is politically groundbreaking.

The lab has amassed over 60,000 DNA samples and pioneered some groundbreaking scientific advances.

This was a time of many innovations and groundbreaking scientific theories.