noun
coherence
koh-HEER-uns/kəʊˈhɪrəns/
A stable connection that makes separate parts hold together.
The plant's progression from seed to flower gives coherence to the picture sequence.

Etymology
The underlying image is things sticking together. Applied to a narrative or argument, coherence means that its parts connect consistently rather than remaining disconnected statements.
In context
coherence is important, and coherence has to do not with internal logical consistency of your theory, but how it coheres with everything else we do know.
More examples
- Her final revision improves the coherence of the argument.
- The waves maintain coherence because their phases stay in step.
- The binder gives the compressed powder enough coherence to hold together.
Forms
coherent adjective — Logically connected and easy to understand.
cohere verb — To hold together as a connected whole.
Similar words
- cohesion
- Emphasizes parts holding together, especially physically or socially.
- consistency
- Emphasizes freedom from contradictions rather than connections among parts.
- unity
- Emphasizes an overall whole rather than links between parts.