Dictionary and Thesaurus

Definition of Substantiate

• (v. t.) To make to exist; to make real.
• (v. t.) To establish the existence or truth of by proof or competent evidence; to verify; as, to substantiate a charge or allegation; to substantiate a declaration.

Synonyms of Substantiate

• Confirm
• Corroborate
• Sustain
• Support
• Affirm
• Incarnate
• Body Forth
• Embody
• Realize
• Realise
• Actualize
• Actualise

Antonyms of Substantiate

• Negate

Homophones of Substantiate