substantiate

(v) establish or strengthen as with new evidence or facts
- his story confirmed my doubts
- The evidence supports the defendant
affirm, confirm, corroborate, support, sustain,
(v) represent in bodily form
- He embodies all that is evil wrong with the system
- The painting substantiates the feelings of the artist
body forth, embody, incarnate,
(v) make real or concrete; give reality or substance to
- our ideas must be substantiated into actions
actualise, actualize, realize, realise,
(v) solidify, firm, or strengthen
- The president's trip will substantiate good relations with the former enemy country

affirm confirm corroborate support sustain body forth embody incarnate actualise actualize realize realise

negate contradict

substantial