Speculation
WordNet
noun
(1) 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"
(2) 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"
(3) A message expressing an opinion based on incomplete evidence
(4) An investment that is very risky but could yield great profits
"He knew the stock was a speculation when he bought it"
WiktionaryText
Etymology
From speculation (French: spéculation), from speculationem, from speculatio.
Noun
- The process of thinking or meditating on a subject
- A judgment or conclusion reached by speculating
- An investment involving higher than normal risk in order to obtain a higher than normal return