Synonyms and Antonyms for substantiate

1. substantiate (v.)

establish or strengthen as with new evidence or facts

Synonyms:

Antonyms:

2. substantiate (v.)

solidify, firm, or strengthen

Synonyms:

Antonyms:

3. substantiate (v.)

make real or concrete; give reality or substance to

Synonyms:

Antonyms:

4. substantiate (v.)

represent in bodily form

Synonyms:

Antonyms:

x