transitive verb (-ated; -ating) Date: 1657 to give substance or form to ; embody , to establish by proof or competent evidence ; verify , see: confirm substantiation noun substantiative adjective
SUBSTANTIATE
Meaning of SUBSTANTIATE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012