That didn't strike her as being a suitable response from a man who was supposedly such an expert.

It took her a moment to find a suitable response.

I digested that and failed to find a suitable response.

He will merely have more time to generate a suitable response.

Unable to think of a suitable response, he had allowed Fraser to leave.

She resisted his intense aura, trying to find a suitable response.

But perhaps a more suitable response is this: What on earth has taken so long?

She had already said as much, but he was somewhat at a loss for suitable responses.

I couldn't think of a suitable response, so I didn't say anything.

Before she could come up with a suitable response, the phone rang.