In lang=en terms the difference between substantiate and legitimize
is that substantiate is to give material form or substance to something; to embody; to record in documents while legitimize is to make legitimate.
As verbs the difference between substantiate and legitimize
is that substantiate is to verify something by supplying evidence; to authenticate or corroborate while legitimize is to make legitimate.
substantiate
English
Verb
(en-verb)
to verify something by supplying evidence; to authenticate or corroborate
to give material form or substance to something; to embody; to record in documents
References
legitimize
English
Alternative forms
* legitimise
Verb
(legitimiz)
To make legitimate.
Usage notes
* Forms of (legitimize) ares about twice as common as forms of the verb legitimate in the US.
* Forms of legitimate are somewhat more common than the forms of the verbs (legitimize) and (legitimise) in the UK combined.
Synonyms
* legitimate (verb)
Derived terms
* delegitimize
* illegitimatize
* illegitimize