Mental view of anything in its various aspects and relations; contemplation; intellectual examination.
The act or process of reasoning a priori from premises given or assumed.
The act or practice of buying land, goods, shares, etc., in expectation of selling at a higher price, or of selling with the expectation of repurchasing at a lower price; a trading on anticipated fluctuations in price, as distinguished from trading in which the profit expected is the difference between the retail and wholesale prices, or the difference of price in different markets.
Any business venture in involving unusual risks, with a chance for large profits.
A conclusion to which the mind comes by speculating; mere theory; view; notion; conjecture.
Power of sight.
A game at cards 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.
I know nothing more annoying when people I don't know jump to conclusions on my person based on nothing but gossip or speculation. Nikolaj Coster-Waldau
The strongest arguments prove nothing so long as the conclusions are not verified by experience. Experimental science is the queen of sciences and the goal of all speculation. Roger Bacon
Books are the carriers of civilization. Without books, history is silent, literature dumb, science crippled, thought and speculation at a standstill. Barbara Tuchman
Another great evil arising from this desire to be thought rich; or rather, from the desire not to be thought poor, is the destructive thing which has been honored by the name of 'speculation'; but which ought to be called Gambling. William Cobbett