gullibility

the gullibility of the electorate was tested to the nth degree by such promises.

fall for scams due to gullibility

prey on people's gullibility

gullibility leads to deception

beware of gullibility in others

gullibility can be a weakness

overcome gullibility through critical thinking

gullibility is often exploited in marketing

The same with gullibility and trustworthiness. We can say that the other side of gullibility someone who's trustworthy.

As she sifts through the tainted past, Wolf is horrified by her own “incurable” gullibility.

However I don't get rid of my gullibility because I don't want to also get rid of my trustworthiness.

The guild had gullibility about him.

Cynics would probably tell you that the opposite of cynicism is gullibility, blindly trusting other people, and that cynicism is a sort of wisdom, a hard-earned sense that, in fact, people cannot be trusted.

I inquired about pound parties at the Creek, and my gullibility was verified. Yet the occasion had been truly a party, and the Townsends had done their best to make it festive.

The Brooklyn Bridge is also part of a popular expression, or saying, in English about " selling you the Brooklyn Bridge." The idea that you could sell someone the Brooklyn Bridge is used to indicate the gullibility of another person.