good question

noun

1. a question that is hard to answer immediately

Example Sentences

“That is a very good question,” he said.

From BBC

I think that’s a very good question.

From Salon

Wiser: It’s a good question, and it is one that we asked everybody that we talked to, including people who are really close to her, and they don’t say she’s a different person than she is as a politician — less guarded, more profane, she’s relaxed in a way that, until recently, she hadn’t appeared in front of a camera.

From Los Angeles Times

Well, it's a good question, and I don't know exactly the answer.

From Salon

This brings up a good question she could ask: “Mr. Trump, you spent 307 days playing golf while you were president the last time. That’s almost a year. How many days would you devote to golf this time if you are elected?”

From Salon