Final answer:
The best synonym for the word predictability in this excerpt is conformity.
Step-by-step explanation:
The best synonym for the word predictability in this excerpt is conformity. In the given context, the author is discussing various aspects of American society that are becoming more predictable or conforming to certain norms and expectations. For example, the American return to early marriage and large families, the movement to natural childbirth and breastfeeding, and suburban conformity all reflect a certain predictability in societal behavior. Therefore, out of the provided options, conformity best captures the meaning of predictability in this context.
Learn more about The synonym for predictability in Friedan's excerpt.