Sentence:  We see young men who owe us a new world, so readily and lavishly they promise, but they never <WSD>acquit</WSD> the debt; they die young and dodge the account: or if they live, they lose themselves in the crowd. 
Meaning of the word marked with <WSD> tags:  To discharge (for example, a claim or debt); to clear off, to pay off; to fulfil.