All 11 Uses of

indulgent
in
Persuasion, by Jane Austen

Lady Elliot had been an excellent woman, sensible and amiable; whose judgement and conduct, if they might be pardoned the youthful infatuation which made her Lady Elliot, had never required indulgence afterwards.†
Chpt 1

indulgence = treatment with extra kindness or tolerance OR (more rarely) a special pleasure (typically something done in excess of what is thought good -- such as eating too much cake, or being too lazy)

Their two confidential friends, Mr Shepherd, who lived in the neighbouring market town, and Lady Russell, were called to advise them; and both father and daughter seemed to expect that something should be struck out by one or the other to remove their embarrassments and reduce their expenditure, without involving the loss of any indulgence of taste or pride.†
Chpt 1

but it was too transient an indulgence of self-amusement to be detected by any who understood him less than herself;†
Chpt 8

I declare I have not a comfort or an indulgence about me, even at Kellynch Hall," (with a kind bow to Anne), "beyond what I always had in most of the ships I have lived in; and they have been five altogether."†
Chpt 8

He was evidently a young man of considerable taste in reading, though principally in poetry; and besides the persuasion of having given him at least an evening's indulgence in the discussion of subjects, which his usual companions had probably no concern in, she had the hope of being of real use to him in some suggestions as to the duty and benefit of struggling against affliction, which had naturally grown out of their conversation.†
Chpt 11

Lady Russell could not hear the door-bell without feeling that it might be his herald; nor could Anne return from any stroll of solitary indulgence in her father's grounds, or any visit of charity in the village, without wondering whether she might see him or hear of him.†
Chpt 14

after giving him a week's indulgence, Lady Russell determined him to be unworthy of the interest which he had been beginning to excite.
Chpt 14 *

indulgence = extra kind treatment

However it might end, he was without any question their pleasantest acquaintance in Bath: she saw nobody equal to him; and it was a great indulgence now and then to talk to him about Lyme, which he seemed to have as lively a wish to see again, and to see more of, as herself.†
Chpt 16

indulgence = treatment with extra kindness or tolerance OR (more rarely) a special pleasure (typically something done in excess of what is thought good -- such as eating too much cake, or being too lazy)

Having long had as much money as he could spend, nothing to wish for on the side of avarice or indulgence, he has been gradually learning to pin his happiness upon the consequence he is heir to.†
Chpt 21

Mr Elliot, raised by his marriage to great affluence, and disposed to every gratification of pleasure and vanity which could be commanded without involving himself, (for with all his self-indulgence he had become a prudent man), and beginning to be rich, just as his friend ought to have found himself to be poor, seemed to have had no concern at all for that friend's probable finances, but, on the contrary, had been prompting and encouraging expenses which could end only in ruin; and the Smiths accordingly had been ruined.†
Chpt 21

self-indulgence = being excessively kind to or undemanding of oneself

She had a great deal to listen to; all the particulars of past sad scenes, all the minutiae of distress upon distress, which in former conversations had been merely hinted at, were dwelt on now with a natural indulgence.†
Chpt 21

indulgence = treatment with extra kindness or tolerance OR (more rarely) a special pleasure (typically something done in excess of what is thought good -- such as eating too much cake, or being too lazy)

Definitions:

(1) (indulgent)
to treat with extra kindness or tolerance
(2) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

In the form, indulgence, the word can also refer to a special pleasure--typically something done in excess of what is thought good--such as eating too much cake, or being too lazy