CREDULOUS

tending to believe too readily

gullible

/disposed to believe on little evidence

showing a lack of judgment or experience

ANT - disbelieving, skeptical

"Her credulous attitude was dangerous when surrounded by a number of groups trying to win converts."

"the 9/11 conspiracy has thrived becuase of all of the credulous college kids who want to be a part of something radical."

"Humans have a desire for war, a fighting instinct, and when this is subdued for so long - as it has been in America - it just builds and builds until the credulous youth find anything to attach it to. They desire to fight for something gives them a credulous attitude towards the causes."

"He had a hard time with the way she was so credulous when it came to topics like this. Where was her intellectual curiosity -- but more importantly -- where was her perspective and healthy skepticism that necessarily followed from a love of truth."