All 4 Uses

conform
in
Don Quixote
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All that night Don Quixote lay awake thinking of his lady Dulcinea, in order to conform to what he had read in his books, how many a night in the forests and deserts knights used to lie sleepless supported by the memory of their mistresses.†
Chpt 1.7-8 *

conform = to comply, fit in, or be similar to what is normal
for God's sake hold thy tongue, Sancho, and henceforward keep to prodding thy ass and don't meddle in what does not concern thee; and understand with all thy five senses that everything I have done, am doing, or shall do, is well founded on reason and in conformity with the rules of chivalry, for I understand them better than all the world that profess them.†
Chpt 1.25-26

conformity = compliance, fitting in, or being similar to what is normal
"Let her be who she may," replied Don Quixote, "I will do what is my bounden duty, and what my conscience bids me, in conformity with what I have professed;" and turning to the damsel he said, "Let your great beauty rise, for I grant the boon which you would ask of me."†
Chpt 1.29-30
Thy wife Camilla is virtuous, thou dost possess her in peace and quietness, no one assails thy happiness, her thoughts wander not beyond the walls of thy house, thou art her heaven on earth, the object of her wishes, the fulfilment of her desires, the measure wherewith she measures her will, making it conform in all things to thine and Heaven's.†
Chpt 1.33-34

conform = to comply, fit in, or be similar to what is normal

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.