The causation of something, usually something bad, is the factors that have caused it. [formal]
The gene is only part of the causation of illness. [+ of]
2. uncountable noun
Causation is a study of the factors involved in causing something. [formal]
...assumptions concerning social causation.
Collocations:
establish causation
Inducement was a question of fact necessary to establishcausation.
Times, Sunday Times
His evidence was not capable of establishing causation to the criminal standard.
Times,Sunday Times
However, skepticism remained because many people feel that establishing causation requires elucidating a plausible mechanism by which the effect occurs, he recalled.