scepticism

noun

1. skepticism.

noun

1. skeptical attitude or temper; doubt.
2. doubt or unbelief with regard to a religion, especially Christianity.
3. (initial capital letter) the doctrines or opinions of philosophical Skeptics; universal doubt.

n.also scepticism, 1640s, from skeptic + -ism. Specifically regarding Christian religion, from 1800. In philosophy, the position that what cannot be proved by reason should not be believed. One of the main tasks of epistemology is to find an answer to the charge of some extreme skeptics that no knowledge is possible.