All 5 Uses of

thus

in

To Kill a Mockingbird

Thus we came to know Dill as a pocket Merlin, whose head teemed with eccentric plans, strange longings, and quaint fancies.
p. 10..0 (definition 1)

thus = therefore (for that reason)

Had Tim Johnson behaved thus, I would have been less frightened.
p. 125..6 (definition 2) *

thus = that way

Thus the dicta No Crawford Minds His Own Business, Every Third Merriweather Is Morbid, The Truth Is Not in the Delafields, All the Bufords Walk Like That, were simply guides to daily living: never take a check from a Delafield without a discreet call to the bank; Miss Maudie Atkinson's shoulder stoops because she was a Buford; if Mrs. Grace Merriweather sips gin out of Lydia E. Pinkham bottles it's nothing unusual— her mother did the same.
p. 175..4 (definition 1)

thus = therefore (for that reason)

Although his back was to us, we knew he had a slight cast in one of his eyes which he used to his advantage: he seemed to be looking at a person when he was actually doing nothing of the kind, thus he was hell on juries and witnesses.
p. 222..8 (definition 1)

Jem said he would take me. Thus began our longest journey together.
p. 340..9 (definition 1) *

Definitions:

(1) (thus as in: Thus it was necessary.)
therefore (for that reason; or what follows is so because of what was just said)