To secretly allow or be involved in wrongdoing, especially an immoral or illegal act.
The manager was accused of conniving with the employees to embezzle funds from the company.
To conspire to do something considered immoral, illegal, or harmful.
The two politicians were found to have connived to manipulate the election results.
To deliberately refrain from preventing wrongdoing; to pretend ignorance of or overlook something illegal or unethical, especially with the preposition "at".
The regulators were accused of conniving at the bank's deceptive practices.