All 12 Uses of

however
in
She Said Yes

Later, however, when we went in to look at her before the viewing, to decide whether she looked enough like Cassie to have her casket open (she didn't), the first thing I noticed was that the satin lining was pink.
p. 40.5

however = a word used to connect contrasting ideas as when using though, in spite of that, in contrast, nevertheless, etc.

Afterwards, however, it stung very badly, which I thought I deserved anyway.
p. 58.3

Since then, however, I have grown increasingly confident that we were not overly harsh.
p. 69.5

Once we picked her up in the afternoons, however, the battles would resume.
p. 76.2

Later that evening, however, the same boys came by the house again, in the same vehicle.
p. 85.8

With all we'd been through in the previous months, however, it almost seemed too good to be true, and so for a long time I hesitated to let down my guard.
p. 96.7

By now, however, she had been doing well for several months, and we were open to the idea.
p. 104.6

Looking at them now, however, with their Hi-Liter marks and underlinings and earnest handwritten notes, the impact they had on her is obvious.
p. 119.5 *

As important as this question is, however, what challenges me most was the willingness of Misty and her husband to make sacrifices in order to rescue Cassie from self-destruction.
p. 161.9

If I've learned anything from Cassie's short life, it is that no adolescent, however rebellious, is doomed by fate.†
p. 150.7

Definitions:

(1) (however as in: However, complications may...)
though (or another expression that connects contrasting ideas)

(Based on idea 1 we might not expect idea 2, but this is a way of saying that even though idea 1 exists, we still have idea 2. Synonyms include in spite of that, despite that, nevertheless, nonetheless, on the other hand, in contrastand but.)
(2) (however as in: However much she tried...)
to whatever degree (regardless of how much; or whatever unspecified amount)
(3) (however as in: However you do it, get it done!)
in whatever way
(4) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

Much more rarely (and arguably incorrectly), however can be used to intensify the word how, as when one says "However did you find her?" Grammarians would suggest using two words for that usage: "How ever did you find her?"