All 5 Uses of

adapt
in
War and Peace

After a short period of adapting himself to the old conditions of life, Nicholas found it very pleasant to be at home again.†
Chpt 4 *

adapting = changing to fit a different situation

As is often the case with those gifted with an ardent imagination, though he had long known that Moscow would be abandoned he knew it only with his intellect, he did not believe it in his heart and did not adapt himself mentally to this new position of affairs.†
Chpt 11

adapt = change to fit a different situation; or make suitable

He had pictured each of those young ladies as almost all honest-hearted young men do, that is, as a possible wife, adapting her in his imagination to all the conditions of married life: a white dressing gown, his wife at the tea table, his wife's carriage, little ones, Mamma and Papa, their relations to her, and so on—and these pictures of the future had given him pleasure.†
Chpt 12

adapting = changing to fit a different situation

movement of troops into Prussia—undertaken (as it seemed to Napoleon) only for the purpose of securing an armed peace, the French Emperor's love and habit of war coinciding with his people's inclinations, allurement by the grandeur of the preparations, and the expenditure on those preparations and the need of obtaining advantages to compensate for that expenditure, the intoxicating honors he received in Dresden, the diplomatic negotiations which, in the opinion of contemporaries, were carried on with a sincere desire to attain peace, but which only wounded the self-love of both sides, and millions of other causes that adapted themselves to the event that was happening or coincided with it.†
Chpt 9

By discarding a claim to knowledge of the ultimate purpose, we shall clearly perceive that just as one cannot imagine a blossom or seed for any single plant better suited to it than those it produces, so it is impossible to imagine any two people more completely adapted down to the smallest detail for the purpose they had to fulfill, than Napoleon and Alexander with all their antecedents.†
Chpt 15

Definitions:

(1) (adapt as in: adapted to the new rules)
changed to fit a different situation; or made suitable
(2) (adapted as in: the species is well adapted for)
to be especially well suited or appropriate for something