belie something to give a false impression of somebody/something (Oxford)
belie something to show that something cannot be true or correct (Oxford)
to show something to be false, or to hide something such as an emotion (Cambridge)
Her energy and youthful good looks belie her 65 years. (Oxford)
Government claims that there is no poverty are belied by the number of homeless people on the streets. (Oxford)
Her calm face belied the terror she was feeling. (Cambridge)
looks belie
belied claim
belied feeling
Contravene
Negate
Approve
Allow
Belie