71 entries under substantiate topic. ×

14
authorize(verb, allow, confirm, sanction, endorse)
13
legitimize(verb, law, support, favor, sustain)
10
justify(verb, defend, explain, endorse, prove)
10
sanction(verb, allow, approve, confirm, authorize)
9
validate(verb, support, favor, sustain, confirm)
8
approve(verb, support, favor, allow, sustain)
8
legalise(verb, favor, legitimize, legitimise)
7
endorse(verb, prove, authorise)
7
legitimise(verb, favor, legitimize)
7
make legal(verb, expression, idiom, endorse, prove)
5
authenticate(verb, endorse, prove, verify)
5
certify(verb, endorse, prove)
5
confirm(verb, support, favor, endorse)
5
ratify(verb, approve, confirm, authorize, sanction)
5
warrant(verb, support, defend, explain)
2
defend(verb, support, favor, explain)
2
establish(verb, support, favor, sustain, confirm)
2
support(verb, favor, sustain, confirm, defend)
2
sustain(verb, support, favor, defend, explain)
2
uphold(verb, support, defend, explain)
11 years ago|6k views|share |citing 
APASmart Define. (2015). legalize thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/legalize/thesaurus/synonyms
ChicagoSmart Define. 2015. "legalize thesaurus" https://smartdefine.org/legalize/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, legalize thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/legalize/thesaurus/synonyms>.
MLASmart Define. "legalize thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/legalize/thesaurus/synonyms>