He took a few moments to arrange his thoughts.

He waited for a moment, frowning a little as though trying to arrange his thoughts.

Meanwhile he tried to arrange his thoughts into some sort of order.

Dennis hesitated for a moment, trying to get himself under control and to arrange his thoughts.

I got extremely nervous, watching him struggle to arrange his thoughts.

Was the man simply wasting time in order to gain an opportunity to arrange his thoughts?

I need to arrange my thoughts, such as they are.

She stopped for a moment, trying to arrange her thoughts.

She could not arrange her thoughts or words, they came in pieces, unattached.

He took a deep breath and quickly arranged his thoughts.