Skepticism means having doubts or being unsure about something until you have enough evidence to believe it. It's about questioning things instead of blindly accepting them. Full definition
I expressed plenty of skepticism of the whole idea in general. (randomtower.com)
At least one scientist expressed skepticism about how such a company risk assessment will be received. (sciencemag.org)
When he told people of his amazing experiences, he was met with skepticism from medical authorities who asked him to undertake a study that would replicate the results. (healthimpactnews.com)