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substantiate

1 ENTRIES FOUND:
substantiate /səbˈstænʃiˌeɪt/ verb
substantiates; substantiated; substantiating
substantiate
/səbˈstænʃiˌeɪt/
verb
substantiates; substantiated; substantiating
Britannica Dictionary definition of SUBSTANTIATE
[+ object] formal
: to prove the truth of (something)

— substantiation

/səbˌstænʃiˈeɪʃən/ noun [noncount]