The Jew wiped his forehead: and smiled, as if it were a relief to have the disturbance over; but neither he, nor Sikes, nor the dog, nor the boys, seemed to consider it in any other light than a common occurance incidental to business.
Nor is this, the most striking phenomenon incidental to such a state.
Master Bates backed this advice with sundry moral admonitions of his own: which, being exhausted, he and his friend Mr. Dawkins launched into a glowing description of the numerous pleasures incidental to the life they led, interspersed with a variety of hints to Oliver that the best thing he could do, would be to secure Fagin’s favour without more delay, by the means which they themselves had employed to gain it.
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Promise me—incidental to the issue—Anglo-Saxon—dirty word—Childe Roland.
Harper Lee -- Go Set a Watchman
Many of the professors used the Socratic method—direct, repetitive, and adversarial questioning—which had the incidental effect of humiliating unprepared students.