substantiation.

The provision of evidence or reasons strong enough to support a claim.

Use it for

Words that belong together

• substantiation of a claim
• independent substantiation

On the page

The allegations required substantiation from records that the reviewers could examine.

Repeated statements provided no additional substantiation of the causal claim.

Usage notes

Primary category: analysis / argumentation / evidence. Forms: Usually uncountable; use a plural for distinct instances or types only where natural. 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: evidence, argumentation, evaluation, qualification. Disciplines: reasoning, research, essay writing. Commonness: moderately common.