"I will tell her what you have said—when you go!" said Mrs. Penniman, with an insinuating laugh.
He is extremely insinuating; but it’s a vulgar nature.
He was in a state of irritation natural to a gentleman of fine parts who had been snubbed in a benevolent attempt to confer a distinction upon a young woman of inferior characteristics, and the insinuating sympathy of this somewhat desiccated matron appeared to offer him no practical relief.
I see," added the Doctor, with his most insinuating, his most professional laugh, "you are already interested!"
There are no more uses of "insinuate" in the book.