Unscramble

s 1 u 1 b 3 s 1 t 1 a 1 n 1 t 1 i 1 a 1 t 1 i 1 o 1 n 1

14 letters · 16 points in Scrabble

Meaning

noun additional proof that something that was believed (some fact or hypothesis or theory) is correct

noun the act of validating; finding or testing the truth of something

originFrom Latin substantiātiō. By surface analysis, substantiate + -ion.

Etymology from Wiktionary, CC BY-SA 3.0

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