substantiation
nounUK /səbˌstænʃiˈeɪʃən/
US /səbˌstænʃiˈeɪʃən/
Proof that shows something is true.
The scientist offered substantiation for her claim with careful experiments.
OTHER MEANINGS
2. The act of giving real form or substance to something.
The substantiation of the plan took months of hard work.
3. The process of making a statement or belief more solid and grounded.
His research provided substantiation for the old theory.
4. Evidence that makes a charge or accusation credible.
The lawyer asked for substantiation of the allegations.