Definition of "Cause" :
noun: any entity that produces an effect or is responsible for events or results
noun: a series of actions advancing a principle or tending toward a particular end
"They worked in the cause of world peace."
noun: a comprehensive term for any proceeding in a court of law whereby an individual seeks a legal remedy
noun: a justification for something existing or happening
"He had no cause to complain."
noun: events that provide the generative force that is the origin of something
"They are trying to determine the cause of the crash."
verb: cause to do; cause to act in a specified manner
verb: give rise to; cause to happen or occur, not always intentionally
"Cause a commotion."