All 4 Uses

entail
in
1984, by Orwell
(Edited)

He wrote: Thoughtcrime does not entail death: thoughtcrime IS death.
p. 28.4

entail = involve
Winston debated with himself whether to award Comrade Ogilvy the Order of Conspicuous Merit: in the end he decided against it because of the unnecessary cross-referencing that it would entail.
p. 47.7

entail = require
It was more than a month distant, but the enormous, complex preparations that it entailed were throwing extra work on to everybody.
p. 138.8 *

entailed = required
But this, too, entailed military weakness, and since the privations it inflicted were obviously unnecessary, it made opposition inevitable.
p. 190.9

entailed = involved or required

Definitions:

(1) (entail)
involve or require
(2) (meaning too rare to warrant focus)
Entail also had a specialized meaning in law related to limiting the inheritance of property or order of succession. That sense is often seen in classic literature.