give, assign, or seize a resource -- usually for a particular use
For all that, however, he determined to take him, intending to furnish him with a more honourable mount when a chance of it presented itself, by appropriating the horse of the first discourteous knight he encountered.
There are no more uses of "appropriate" identified with this meaning, but check unspecified meaning below.
Show samples from other sources
The money has been appropriated, but it hasn’t been spent yet.
The invading army appropriated the home to use as a local headquarters.
Now one of the instances in which this knight most conspicuously showed his prudence, worth, valour, endurance, fortitude, and love, was when he withdrew, rejected by the Lady Oriana, to do penance upon the Pena Pobre, changing his name into that of Beltenebros, a name assuredly significant and appropriate to the life which he had voluntarily adopted.
"That’s the very thing," said Don Quixote; "though I am relieved from looking for the name of an imaginary shepherdess, for there’s the peerless Dulcinea del Toboso, the glory of these brooksides, the ornament of these meadows, the mainstay of beauty, the cream of all the graces, and, in a word, the being to whom all praise is appropriate, be it ever so hyperbolical."
…of Liveries," in which he described seven hundred and three liveries, with their colours, mottoes, and ciphers, from which gentlemen of the court might pick and choose any they fancied for festivals and revels, without having to go a-begging for them from anyone, or puzzling their brains, as the saying is, to have them appropriate to their objects and purposes; "for," said he, "I give the jealous, the rejected, the forgotten, the absent, what will suit them, and fit them without fail.
There are no more uses of "appropriate" in the book.