English Reference
Noun

causation

n. uncountable
C1 Advanced US /ˌkɔˈzeɪʃən/ UK /kɔːsˈeɪʃən/ cau·sa·tion UK spelling causation's, causation's

n.the process where one thing makes another thing happen. It is the direct link between a cause and its result.

n.the action of causing something; the relationship between cause and effect. Often contrasted with correlation to distinguish between a direct link and a mere coincidence.


SIMPLE

Scientists are trying to prove causation between the two events.

CONTEXTUAL

The legal team had to establish a clear line of causation between the company's negligence and the client's injury.

COMPLEX

While the data shows a strong correlation between ice cream sales and sunburns, there is no direct causation; both are simply influenced by the rising summer temperatures.

Usage

Uncountable in its abstract sense; frequently appears in the phrase 'correlation does not imply causation'.

Pitfall
the causation of the problemthe cause of the problem

Learners often use 'causation' (the abstract principle) when they mean 'cause' (the specific event or thing).

Effects were small but consistent and do not establish causation.

Phys.org· 11 Aug 2026

From cause + -ation.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level C1 · Advanced
Frequency Occasional
Updated