Rleibee has created a game for their class

See Videos&Games

The definition of substantiate

2 Definitions of: substantiate

1. verb, to establish as valid or genuine
2. verb, to give form or real existence to
3. Show me some examples of this word: substantiate
4. Show me the etymology of the word: substantiate

Synonyms:	support, prove, confirm, establish, affirm, verify, validate, bear out, corroborate, authenticate
Antonyms:	disprove

From Collins

©HarperCollins 2008. Collins English Dictionary definition of substantiate