1. (

• confirm ,
• corroborate ,
• sustain ,
• substantiate ,
• support ,
• affirm

) establish or strengthen as with new evidence or facts; "his story confirmed my doubts"; "The evidence supports the defendant" ;

2. (

• incarnate ,
• body_forth ,
• embody ,
• substantiate

) represent in bodily form; "He embodies all that is evil wrong with the system"; "The painting substantiates the feelings of the artist" ;

3. (

• realize ,
• realise ,
• actualize ,
• actualise ,
• substantiate ,

) make real or concrete; give reality or substance to; "our ideas must be substantiated into actions" ;

4. (

• substantiate ,

) solidify, firm, or strengthen; "The president's trip will substantiate good relations with the former enemy country" ;