Synonyms of substantiating

1 Syllable

test, try

2 Syllables

support, reify, confirm, affirm, prove, debunk

3 Syllables

verifying, complete, establish, ratify, approve, justify, realize, manifest, verify

4 Syllables

personify, objectify, validate, incarnate, actualize, demonstrate

5 Syllables

corroborate, authenticate, materialize