belie
1. To picture falsely; misrepresent: “He spoke roughly in order to belie his air of gentility” James Joyce.
2. To show to be false: Their laughter belied their outward grief.
3. To be counter to; contradict: At first glance, life at the boarding school seemed to belie all the bad things I had heard about it.
4. His innocent face belies his cunning.