All 5 Uses

conjecture
in
My Name is Legion
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In our understanding of the meaning of ludus, however, in our ability to realize that we may unify instances of activity from across a broad spectrum of behavior patterns by considering them as a form of play, we have a better basis for conjecture as well as interpretation.†
Part 2
I only have a few conjectures.†
Part 2 *

conjectures = guesses (opinions based on inconclusive evidence)
Short of actually finding a way of getting inside them to know it for oneself, I do not see how we can deduce religious sentiments here, even if every one of your other conjectures is correct.†
Part 2
The more one compounds conjectures the sillier one becomes.†
Part 2
I suppose it goes back to the fact that early discussions and conjectures concerning it made it sound as if the potential for intelligence was always present in the array of gadgets, and that the correct procedures, the right programs, simply had to be found to call it forth.†
Part 3

Definitions:

(1) (conjecture)
a conclusion or opinion based on inconclusive evidence; or the act of forming of such a conclusion or opinion

A conjecture can be widely believed, but the word is also frequently used to imply that evidence is insufficient to support a belief.
(2) (meaning too rare to warrant focus)