causality

noun

cau·​sal·​i·​ty kȯ-ˈza-lə-tē 

plural causalities

1

: a causal quality or agency

2

: the relation between a cause and its effect or between regularly correlated events or phenomena

Synonyms of causality

• cause
• causation

Examples of causality in a Sentence

Scientists found no causality between the events.

a supreme being is a being that, by definition, has no causality of its own

Recent Examples on the Web

No causalities were reported, according to Iran’s semiofficial Tasnim news agency. — Gabrielle Khoriaty, NBC news, 5 Sep. 2026

By the time something appears suspicious, causality is fragmented across systems, logs and identities. — Brian Contos, Forbes.com, 2 Sep. 2026

This is common in observational studies like this, which usually can’t clearly separate causality from correlation due to some immeasurable variable. — New Atlas, 1 Sep. 2026

In other sectors, too, the report doesn't prove causality but identifies rising costs where immigrant labor is key. — Justin Papp, CNBC, 5 Aug. 2026

Word History

Etymology

borrowed from Medieval Latin causālitāt- causālitās, from Late Latin causālis causal + Latin -itāt-, -itās -ity

First Known Use

1603, in the meaning defined at sense 1

Rhymes for causality

• equality
• frivolity
• sodality
• inequality
• jollity
• polity
• quality

Legal Definition

causality

noun

cau·​sal·​i·​ty kȯ-ˈza-lə-tē 

plural causalities

: the relationship between cause and effect