Disimula (en. Dissimulates)
/disiˈmula/
Slang Meanings
Act as if nothing is happening.
When I saw him trafficking, I just acted like nothing was happening.
Cuando lo vi traficar, solo disimulé.
Pretend not to know something.
She pretends she knows the topic when in reality she knows everything.
Ella disimula que conoce el tema cuando en realidad lo sabe todo.