Conspire (verb)

To plot or scheme together, especially secretly or with harmful intent.

Origin:

From latin conspīrāre "to breathe together, agree, plot".

Examples:

1. The two men conspired to commit fraud.
2. They conspired to overthrow the government.
3. The group conspired to steal the valuable painting.
4. The employees conspired to embezzle company funds.
5. The politicians conspired to rig the election.