4
support(verb, show, maintain, secure, favor)
4
take in(verb, expression, phrasal verb, mark, consider)
4
validate(verb, support, state, show, determine)
3
adduce(verb, evidence, evince)
3
authorization(noun, approval, proof, verification, endorsement)
3
badge(noun, show, mark, light, sign)
3
be present(verb, expression, idiom, see, observe)
3
catch sight of(verb, expression, idiom, see, note)
3
certificate(noun, statement, tribute, recommendation, testimony)
3
certification(noun, information, reason, picture, evidence)
3
detect(verb, mark, see, note, regard)
3
display(noun, verb, make, mean, show)
3
document(verb, evince)
3
espy(verb, mark, consider, see, note)
3
establish(verb, support, state, show, present)
3
explain(verb, support, show, present, maintain)
3
guarantee(verb, support, state, maintain, praise)
3
illustrate(verb, make, mean, show, mark)
3
inspect(verb, study, mark, consider, see)
3
look on(verb, expression, phrasal verb, consider, see)
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APASmart Define. (2015). witness thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/witness/thesaurus/synonyms
ChicagoSmart Define. 2015. "witness thesaurus" https://smartdefine.org/witness/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, witness thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/witness/thesaurus/synonyms>.
MLASmart Define. "witness thesaurus" 23 December 2015. Web. 1 October 2026. <https://smartdefine.org/witness/thesaurus/synonyms>