All the rational explanations for what he believed had just happened came to mind now.

But later, he said, the true explanation came to him.

But then a simpler and more natural explanation came to my mind.

Bold action, he felt, was called for; explanations could come later.

I wasn't sure why she felt it necessary to include all this detail, but maybe the explanation would come later.

No explanation of the murder has yet come to light.

If there was any trouble the rescue would be by force and the explanations could come later.

At least I supposed that this was the reason, though another possible explanation did come into my mind.

"This explanation came too late in the day," he said.

No explanation that she wanted to share came immediately to mind.