substantiate

definition: solidify, firm, or strengthen

example: The president's trip will substantiate good relations with the former enemy country

speech part: verb

synonyms:

definition: establish or strengthen as with new evidence or facts

example:

speech part: verb

synonyms: support

definition: make real or concrete

example:

speech part: verb

synonyms: realise realize actualize actualise

definition: represent in bodily form

example:

speech part: verb

synonyms: incarnate

substantiate is explained and pronounced