All 23 Uses of

however
in
Gone with the Wind

However, remembering her plan, Scarlett smothered her contempt and cast such a flashing smile of greeting at him that he stopped short, his arm outheld to Suellen and goggled at Scarlett in pleased bewilderment.
Chpt 1.6

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

Melanie, however, did not seem to mind the smells, the wounds or the nakedness, which Scarlett thought strange in one who was the most timorous and modest of women.
Chpt 2.8

However, there were the Confederate victories in Tennessee scored by General Morgan and General Forrest and the triumph at the Second Battle of Bull Run hung up like visible Yankee scalps to gloat over.
Chpt 2.12

However, she was determined to accomplish it, for Rhett was coming to supper and he always noticed and commented upon any innovation of dress or hair.
Chpt 2.13

Johnston's veterans, however, went by with the tireless, careless step which had carried them for three years, and they still had the energy to grin and wave at pretty girls and to call rude gibes to men not in uniform.
Chpt 3.18

However, he had learned that day in Fayetteville that he could cut this expense a fourth by lending the horse and wagon for two weeks to the gin owner.
Chpt 3.30

However, it doesn't seem to bother the Yankees whether folks are guilty or not, so long as they can hang somebody.
Chpt 4.33 *

However, I admired him and tried to copy him far more than I ever did my father, for Father is an amiable gentleman full of honorable habits and pious saws—so you see how it goes.
Chpt 4.38

However, Rhett seemed in perfect command of the bewildering situation and that was a small comfort.
Chpt 4.45

However, he had been his usual bland self at those times, and never by look or word showed that such a scene had taken place between them.
Chpt 5.57

She thought, however, that once the novelty had passed, Bonnie would turn to other things and the neighborhood would have some peace.
Chpt 5.59

However there was still plenty of hog meat, as well as chickens and vegetables.†
Chpt 2.12

Eventually, however—" But she was not listening, for she was regarding herself pleasedly in the mirror again, thinking she would wear the bonnet to the hospital this very afternoon and take flowers to the convalescent officers.†
Chpt 2.13

He did however look at Scarlett, staring at her in the same cold hard way India had done.†
Chpt 4.45

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?"