Substantiation is the backing of a claim with evidence. Without substantiation, offer substantiation, require substantiation.
In advertising law it is a duty rather than a courtesy, since a claim must be capable of substantiation before it is made rather than afterwards. It is the noun beside substantiate.
1nounsubstantiationThe backing of a claim with evidence.
“The journalist refused to print the rumour without substantiation from a second source.”
substantiation is a proving.
Latin substantiatio comes from substantia, substance, from stare, to stand.
Latin
substantiātiō
English, today
substantiation
From Latin substantiātiō. by surface analysis, substantiate + -ion.
Etymology from Wiktionary, CC BY-SA