Causation :: Causation (n.) The act of causing; also the act or agency by which an effect is produced.
Causationist :: Causationist (n.) One who believes in the law of universal causation.
Causative :: Causative (a.) Effective, as a cause or agent; causing..
Causative :: Causative (a.) Expressing a cause or reason; causal; as, the ablative is a causative case..
Causative :: Causative (n.) A word which expresses or suggests a cause.