All 5 Uses

derive
in
Brideshead Revisited
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That was the cant phrase of the time, derived from heaven knows what misconception of popular science.†
p. 146.2 *

derived = got
...and yet, you know—it must be something derived from centuries ago—my heart is quite light today to think of Sebastian out with them.†
p. 187.3
I knew; everyone who had ever met Rex knew of his affair with Brenda Champion; knew also that it was from this affair that he derived everything which distinguished him from every other stock-jobber; his golf with the Prince of Wales, his membership of Bratt's, even his smoking-room comradeship at the House of Commons, for, when he first appeared there, his party chiefs did not say of him, "Look, there is the promising young member for north Gridley who spoke so well on Rent Restrictions."†
p. 202.7
Lord Marchmain seemed to derive comfort from the consequences of his whim; he sat by the fire watching the bustle, while we stood in a half circle—Cara, Cordelia, Julia, and I—and talked to him.†
p. 365.7

derive = get
He doesn't derive any strength from his fear, you know.†
p. 383.1

Definitions:

(1) (derive)
to get something from something else

(If the context doesn't otherwise indicate where something came from, it is generally from reasoning--especially deductive reasoning.)
(2) (meaning too rare to warrant focus)