She smiled knowingly at that, and then turned her face aside.
He smiled knowingly at her, but not in a mocking way.
Everyone turned at the anxiety in Helen's voice, and they smiled knowingly.
She listened for a moment to his thoughts and then smiled knowingly.
He often smiled knowingly and patted members of the audience.
Everyone smiles knowingly, and no one would even think to ask the central question: Was it any good?
She came up next to him and smiled knowingly into his eyes.
As we walk, most of the workers smile knowingly at my guide.
The fellow smiled knowingly and led him to a table one over from the pair.
Hockey fans smiled knowingly and said I would fall in love.