# substantiation

> English word · Noun · frequency rank #80,930

## Definitions
1. The act of substantiating.
2. Something which substantiates; evidence, proof.

## Etymology
From Latin substantiātiō. By surface analysis, substantiate + -ion.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/substantiation