connive

Example:They colluded with the corrupt officials to embezzle company funds.

Definition:to cooperate in mischievous or illegal activity

Example:They conspired to stage a coup and take over the government.

Definition:to form a secret plan to do something wrongful or illegal

Example:He was indicted for aiding and abetting his accomplice in the fraud.

Definition:to provide help or assistance to someone committing a crime or wrongdoing