self-adjustment

[self-uh-juhst-muh nt, self-]

noun

adjustment of oneself or itself, as to the environment.
the process of resolving one's problems or reactions to stress without outside intervention.

Origin of self-adjustment

First recorded in 1915–20

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

But this self-consciousness and self-adjustment to a given end is an element of strength and not of weakness.
Whitman
John Burroughs
An embryo, when cut in half, displays remarkable powers of self-adjustment and continued development.
Religion and Science
John Charlton Hardwick