–noun, plural -cies.
1. the act of conspiring.
2. an evil, unlawful, treacherous, or surreptitious plan formulated in secret by two or more persons; plot.
3. a combination of persons for a secret, unlawful, or evil purpose: He joined the conspiracy to overthrow the government.
Was Princess Diana's car accident really an accident? Or was it some elaborate murder plan to prevent further scandal to the English throne?
Alien spaceship or top secret research balloon? What really crashed in Roswell in July of 1947? Were there aliens aboard? Did they survive?
Whether these events were conspiracies or not, they still make for great thought and discussion. I always find it interesting to read all the different conspiracies that people create. Some of them are very believable, and some of them not so much. I guess it's all a matter of opinion.
Are you a conspiracy theorist?