Pretends

The priest pretends to be solemn in public.

My dog often pretends to be asleep.

He's just a fraud who pretends to be a doctor.

He pretends that he's a stranger here.

He pretends as though he had nothing to do with the case.

He pretends to know everything.

He pretends to be enthusiastic when his boss is around.

Regardless of the subject, he pretends to know all about it.

Man is the only animal that learns by being hypocritical. He pretends to be polite and then, eventually, he becomes polite.

Tom hates it when Mary pretends to understand sports.