demonstration.

1. The showing of a conclusion through reasoning or evidence.

2. A public gathering or action expressing protest or support.

3. A practical showing of how something works or is done.

Use it for

Words that belong together

• demonstration of a result
• mathematical demonstration

On the page

The demonstration of the result used the assumptions stated at the outset.

The conclusion lacked a demonstration despite its confident wording.

Usage notes

Primary category: academic / formal. Forms: Usually uncountable for proving; singular demonstration and plural demonstrations for public actions or practical showings. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: explicit explanation, scope and categorization, proof and interpretation, philosophical foundations. Disciplines: academic writing, formal reasoning, philosophy. Commonness: moderately common.