Definitions of substantiate:
- verb: solidify, firm, or strengthen
Example: "The president's trip will substantiate good relations with the former enemy country"
- verb: represent in bodily form
Example: "The painting substantiates the feelings of the artist"
- verb: establish or strengthen as with new evidence or facts
- verb: make real or concrete; give reality or substance to
Example: "Our ideas must be substantiated into actions"
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