All 4 Uses

adopt
in
1984, by Orwell
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At nine teen he had designed a hand-grenade which had been adopted by the Ministry of Peace and which, at its first trial, had killed thirty-one Eurasian prisoners in one burst.†
p. 47.1

adopted = took on as one's own
There was no way of knowing whose job would finally be adopted, but he felt a profound conviction that it would be his own.†
p. 47.8 *
He did not see that the continuity of an oligarchy need not be physical, nor did he pause to reflect that hereditary aristocracies have always been short-lived, whereas adoptive organizations such as the Catholic Church have sometimes lasted for hundreds or thousands of years.†
p. 209.9

adoptive = made by taking on as one's own
It preaches a contempt for the working class unexampled for centuries past, and it dresses its members in a uniform which was at one time peculiar to manual workers and was adopted for that reason.†
p. 216.5

adopted = took on as one's own

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