He understood instantly, and that would give her some food for thought later.

Most of the audience instantly understood what he was talking about.

Bob understood instantly and told me I could do it.

Then his vision began to clear and he instantly understood.

There are moments in your life where you should really understand instantly what's happening.

Luke turned to see what was the matter and understood instantly.

She instantly understood what had happened; she'd been expecting it.

She understood instantly and nudged her husband, Guy, who looked it up.

I instantly understood that my parents were not to know about this excursion.

Of course, he understood instantly what I was about.