in a way that can or could be certified (= said or written officially or formally)

The teas, coffees, beers, and a few of the wines are certifiably organic.

The president can overturn even a fair conviction and set a certifiably guilty person free. 总统甚至可以推翻公正的定罪，并释放可证明有罪的人。

If you say that someone is certifiably insane, you are emphasizing that you think they are behaving in a very silly or stupid way.

Some of the people on these websites sound certifiably insane.

He would have to be certifiably mad to do anything that might jeopardize his position.

Are you absolutely, certifiably nuts? 你绝对是疯了对吗？

This is one of the most certifiably insane decisions the government has ever taken.

These people weren't only irresponsible, they were certifiably crazy.

clearly and certainly

In those days she was certifiably the world's hottest female music star. 在那些日子里，她是公认的世界上最热门的女音乐明星。

They are young, ambitious, and certifiably hip.