·vt To consider attentively; as, to speculate the nature of a thing.
II. Speculate ·vi To view subjects from certain premises given or assumed, and infer conclusions respecting them a priori.
III. Speculate ·vi To purchase with the expectation of a contingent advance in value, and a consequent sale at a profit;
— often, in a somewhat depreciative sense, of unsound or hazardous transactions; as, to speculate in coffee, in sugar, or in bank stock.
IV. Speculate ·vi To consider by turning a subject in the mind, and viewing it in its different aspects and relations; to Meditate; to Contemplate; to Theorize; as, to speculate on questions in religion; to speculate on political events.