Connive (verb)

1. To secretly cooperate in wrongdoing; to conspire.
2. To pretend not to notice something, especially something bad or illegal.

Origin:

From the latin connivere, meaning "to close one"s eyes or look the other way".

Examples:

1. The employees connived to embezzle company funds.
2. The teacher connived at the cheating that was taking place in her class.
3. They connived to smuggle illegal goods into the country.
4. The government officials connived to cover up the scandal.
5. The parents connived to keep the truth from the children.