- guess, conjecture, supposition, surmise, surmisal, speculation, hypothesis - a message expressing an opinion based on incomplete evidence
--1 is a kind of opinion, view
--1 has particulars: divinationDerived form: verb speculate2 - speculation, conjecture - 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"
--2 is a kind of hypothesis, possibility, theory
Derived form: verb speculate1 - speculation, venture - an investment that is very risky but could yield great profits; "he knew the stock was a speculation when he bought it"
--3 is a kind of investment, investment funds
--3 has particulars: gamble; smart money; pyramidDerived form: verb speculate4 - meditation, speculation - 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"
--4 is a kind of contemplation, reflection, reflexion, rumination, musing, thoughtfulness
Derived form: verb speculate3