Both Uses

conform
in
The Glass Castle
(Edited)

Mom and Dad liked to make a big point about never surrendering to fear or to prejudice or to the narrow-minded conformist sticks-in-the-mud who tried to tell everyone else what was proper.
p. 103.9 *

conformist = following customary standard behavior
If every action in the universe that we thought was random actually conformed to a rational pattern, Dad said, that implied the existence of a divine creator, and he was beginning to rethink his atheistic creed.
p. 261.4

conformed = fit into

Definitions:

(1) (conform)
to comply, fit in, or be similar to what is normal
(2) (meaning too rare to warrant focus)
Although the forms conform and conformity (referring to complying with established customs or doctrines) are more often used, conformist is more likely to appear on standardized tests.