Young-ladyism

Though Lady Mary had none of the young-ladyism or sentimentality of girls of her age, we are not to suppose her either hard or masculine.

[…] Fanny, forgetful of her young-ladyism and her sixteen years, had boxed Tom's ears, and Tom, resenting the insult, had forcibly seated her in the coal-hod, where he held her with one hand while he returned the compliment with the other.