Gentility used in a sentence

Gentility in a sentence as a noun

Steve is just trying to bring gentility and good manners to mobile phone usage.

There was a wave of gentility that set in about 1800, and words good enough for the King James Bible fell out of use for much of the population.

The empitomy of gentility and politeness himself, he did not tolerate rudeness.

From Dirty Jobs, his TED talk, this email correspondence, and even his early days as a QVC presenter, he has always exuded a sense of class and gentility.

I'm not sure because I haven't seen enough research on this point, but I do find it plausible that as the barrier to entry has lowered, the gentility of the candidates has decreased.