He then had it returned and obtained another—a most instructive incident, since it proved conclusively to my mind that we were dealing with a real hound, as no other supposition could explain this anxiety to obtain an old boot and this indifference to a new one.
There are no more uses of "supposition" in the book.
Show samples from other sources
It is a foolish supposition.
She paints a vivid picture, but we must remember it is all mere supposition.