speculation

nouns

a message expressing an opinion based on incomplete evidence

is derived from

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"

conjecture, speculation

is derived from

an investment that is very risky but could yield great profits

"he knew the stock was a speculation when he bought it"

speculation, venture

is derived from

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"

meditation, speculation

is derived from