I'm sure this idea has already dawned on the state party committees.

He stopped his arm at the peak of his motion, though, when a different idea dawned on him.

The idea dawned on both of them at once.

A new idea dawned, and I don't think that idea has lost its potency.

"Apparently," he said, "the revolutionary idea that maybe these functions could be combined hasn't dawned on anyone yet."

The idea dawns upon him to write about his own predicament, something to which Lucy objects strongly.

"You know," she said to him, the idea dawning on her.

She waved away the time issue; the main idea was still dawning on her.

A new idea slowly dawned in his mind.

The idea hadn't even dawned on him.