n. & v.
n. 1 a that which produces an effect, or gives rise to an action, phenomenon, or condition. b a person or thing that occasions something. c a reason or motive; a ground that may be held to justify something (no cause for complaint). 2 a reason adjudged adequate (show cause). 3 a principle, belief, or purpose which is advocated or supported (faithful to the cause). 4 a a matter to be settled at law. b an individual's case offered at law (plead a cause). 5 the side taken by any party in a dispute.
v.tr. 1 be the cause of, produce, make happen (caused a commotion). 2 (foll. by to + infin.) induce (caused me to smile; caused it to be done). in the cause of to maintain, defend, or support (in the cause of justice). make common cause with join the side of. causable adj. causeless adj. causer n.
[ ME f. OF f. L causa ]