sub·stan·ti·ate [ səb stánshee àyt ](past and past participlesub·stan·ti·at·ed, present participlesub·stan·ti·at·ing, 3rd person present singularsub·stan·ti·ates)
transitive verb
Definition:
1. prove or support something: to confirm that something is true or valid
2. make something actual: to give something an actual physical existence
[Mid-17th century. < medieval Latin substantiat-, past participle of substantiare "give substance to" < Latin substantia (see substance)]
