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

• 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

Immediate opportunities in a PV context include the ability to unlock and distill richer insights from existing safety data, highlighting potential new connections as an aid to causality assessment. —Aman Wasan, Forbes.com, 19 Sep. 2025

These studies, like most studies that assess environmental exposures, typically cannot determine causality between agricultural-pesticide exposure and autism risk. —Zoë Schlanger, The Atlantic, 16 Sep. 2025

To infer causality or intent within those actions is even more difficult, if not impossible, when so many other factors are at play beyond Paqueta’s control. —Mark Carey, New York Times, 6 Sep. 2025

The researchers called for long-term studies to confirm causality and explore prevention strategies. —Deirdre Bardolf, FOXNews.com, 6 Sep. 2025

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