speculation

[ US /ˌspɛkjəˈɫeɪʃən/ ]
[ UK /spˌɛkjʊlˈe‍ɪʃən/ ]

NOUN

a hypothesis that has been formed by speculating or conjecturing (usually with little hard evidence)
speculations about the outcome of the election
he dismissed it as mere conjecture
continuous and profound contemplation or musing on a subject or series of subjects of a deep or abstruse nature
the habit of meditation is the basis for all real knowledge
a message expressing an opinion based on incomplete evidence
an investment that is very risky but could yield great profits
he knew the stock was a speculation when he bought it

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How To Use speculation In A Sentence

It seems to embrace a lot of our speculations here about the willful nature of ideas, and works well for things within our conscious realm, from babies to ballpoints.
Even while he was missing, those uncertain hours of anxious speculation and dismal journalism, she had assumed Maxwell would be found boomingly alive, having spent the whole time enjoying the amorous advances of a short-sighted minke whale. Country of the Blind
These included the elegant designs for an indoor playhouse which were to become the cause of a great deal of scholarly speculation and disagreement. The Times Literary Supplement
To take the chain of speculation one step further, this suggests that the maxilla itself was originally a flat dermal plate of some kind, possibly homologous to the superognathal of placoderms.
He uncovers more about his private life including the identity of his fiancé, a point of much speculation until now.
The announcement finally laid all the speculation about their future to rest.
There is increased speculation this could be done through bankruptcy or a reorganization under bankruptcy protection.
There has been much speculation that America might be siding with the rebels.
The investment banking arm has delivered strong profits growth in recent years by pushing both its clients' and its own capital into commodities and currency speculation. Times, Sunday Times
There was widespread speculation that she was going to resign.