Substantiate

1. verb

   establish or strengthen as with new evidence or facts

   “his story confirmed my doubts”

   Similar: confirm, corroborate, sustain, support, affirm

2. verb

   make real or concrete; give reality or substance to

   “our ideas must be substantiated into actions”

   Similar: realize, realise, actualize, actualise

3. verb

   solidify, firm, or strengthen

   “The president's trip will substantiate good relations with the former enemy country”

4. verb

   represent in bodily form

   “He embodies all that is evil wrong with the system”

   Similar: incarnate, body forth, embody