Webster's Revised Unabridged Dictionary · 1913

Forestall

Forestall , transitive verb

[Old English forstallen to stop, to obstruct; to stop (goods) on the way to the market by buying them beforehand, from forstal obstruction, Anglo-Saxon forsteal, foresteall, prop., a placing one's self before another. See Fore, and Stall.]

1.
To take beforehand, or in advance; to anticipate.
What need a man forestall his date of grief, And run to meet what he would most avoid? — Milton
2.
To take possession of, in advance of some one or something else, to the exclusion or detriment of the latter; to get ahead of; to preoccupy; also, to exclude, hinder, or prevent, by prior occupation, or by measures taken in advance.
An ugly serpent which forestalled their way. — Fairfax
But evermore those damsels did forestall Their furious encounter. — Spenser
To be forestalled ere we come to fall. — Shakespeare
Habit is a forestalled and obstinate judge. — Rush
3.
To deprive; -- with of. [Rare]
All the better; may This night forestall him of the coming day! — Shakespeare
4.
(Eng. Law) To obstruct or stop up, as a way; to stop the passage of on highway; to intercept on the road, as goods on the way to market.
Collocations (1)
To forestall the market , to buy or contract for merchandise or provision on its way to market, with the intention of selling it again at a higher price; to dissuade persons from bringing their goods or provisions there; or to persuade them to enhance the price when there. This was an offense at law in England until 1844. — Burrill