My whole examination served to turn my conjecture into a certainty.
Well, it is conjectured to be so.
Sherlock Holmes was wrong in his conjecture, however, for there came a step in the passage and a tapping at the door.
It is absolutely unique, and its value can only be conjectured, but the reward offered of £1000 is certainly not within a twentieth part of the market price.
Some, too, have baffled his analytical skill, and would be, as narratives, beginnings without an ending, while others have been but partially cleared up, and have their explanations founded rather upon conjecture and surmise than on that absolute logical proof which was so dear to him.
It is conjectured that he may have been hurrying down to catch the last train from Waterloo Station, and that in his haste and the extreme darkness he missed his path and walked over the edge of one of the small landing-places for river steamboats.
When I remembered that you had seen her at that window, and how she had fainted on seeing the coronet again, my conjecture became a certainty.
There was no truth, Mr. Holmes, in the conjecture which seemed to us to be probable in your rooms at Baker Street.
There are no more uses of "conjecture" in the book.
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She dismissed it as mere conjecture.
It is important to distinguish between conjecture and fact.