A good way to think of the word EVIDENT is to think of it as "proof or obvious observable truth or falseness."
Here are some sentences:
"It is evident the current president is not the slickest kid on the block when he does not know what a cattle guard is and believes it is a person guarding cattle," said the reporter.
The use of stealth technology has improved avoidance of being caught on radar screens so it is evident we need to continue building stealthy jets.