"Ay, ay, sir," said Mr. Deane, spreading himself in his chair a little, and entering with great readiness into a retrospect of his own career.
In her deep humiliation under the retrospect of her own weakness,—in her anguish at the injury she had inflicted,—she almost desired to endure the severity of Tom’s reproof, to submit in patient silence to that harsh, disapproving judgment against which she had so often rebelled; it seemed no more than just to her now,—who was weaker than she was?
There are no more uses of "retrospect" in the book.
Show samples from other sources
In retrospect, I wish we had done things differently.
In retrospect, I probably could not have picked a worse time.
Stephen Chbosky -- The Perks of Being a Wallflower