It took a while, but the idea was eventually percolating through the ranks of the slaves.

The idea was percolating in other places as well.

Knowing it was time to step back and let the idea percolate, Trevor got to his feet.

In the years following, ideas were percolating about a portion of the exposition grounds.

The idea to bring ballet to Caramoor has been percolating for some time.

So he went to conferences where new ideas were percolating.

What they had not grasped was that ideas, like money, also percolate downward.

The idea percolated through to me that as a man newly in love, I was supposed to forget old loves entirely.

I could see the idea percolate in Jason's brain.

But you can bet those ideas are percolating in his brain, out of sight.