English- translations for speculation

The process of thinking or meditating on a subject
The act or process of reasoning a priori from premises given or assumed
An investment involving higher-than-normal risk in order to obtain a higher-than-normal return
Examination by the eye; view
A card game in which the players buy from one another trumps or whole hands, upon a chance of getting the highest trump dealt, which entitles the holder to the pool of stakes

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