Both Uses of

in lieu

in

Pride and Prejudice

His own father did not long survive mine, and within half a year from these events, Mr. Wickham wrote to inform me that, having finally resolved against taking orders, he hoped I should not think it unreasonable for him to expect some more immediate pecuniary advantage, in lieu of the preferment, by which he could not be benefited.†
p. 195.4

in lieu of = instead of

But when she read and re-read with the closest attention, the particulars immediately following of Wickham's resigning all pretensions to the living, of his receiving in lieu so considerable a sum as three thousand pounds, again was she forced to hesitate.†
p. 199.6 *

in lieu = instead