4
legitimatize
4
maintain(verb, support, state, help, accept)
4
manifest(verb, state, show, maintain, determine)
4
notarise
4
okay(verb, support, state, accept, favor)
4
state(verb, maintain, tell, reveal, acknowledge)
4
subscribe to(verb, expression, support, accept, favor)
4
try(verb, check, show, determine, examine)
4
vouch(verb, support, state, maintain, back)
4
witness(verb, support, state, show, determine)
3
adduce(verb, evince)
3
admit(verb, affirm)
3
agree(verb, support, accept, favor, establish)
3
assay(verb, check, show, determine, examine)
3
assert(verb, support, state, maintain, favor)
3
aver(verb, state, maintain, tell, reveal)
3
avouch(verb, affirm, evince)
3
bless(verb, support, accept, favor, agree)
3
check out(verb, expression, support, back, idea)
3
claim(verb, support, state, maintain, favor)
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APASmart Define. (2015). validate thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/validate/thesaurus/synonyms
ChicagoSmart Define. 2015. "validate thesaurus" https://smartdefine.org/validate/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, validate thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/validate/thesaurus/synonyms>.
MLASmart Define. "validate thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/validate/thesaurus/synonyms>