66 entries under pledge topic. ×

12
guarantee(verb, support, help, promote, praise)
11
attest(verb, support, show, maintain, praise)
10
certify(verb, support, show, maintain, praise)
7
promise(verb, support, maintain, secure, approve)
6
assure(verb, support, maintain, secure, approve)
6
endorse(verb, support, maintain, praise, secure)
6
support(verb, show, maintain, secure, favor)
5
aver(verb, support, show, maintain, secure)
5
confirm(verb, support, show, maintain, praise)
4
affirm(verb, support, show, maintain, praise)
4
swear(verb, support, show, maintain, secure)
4
warrant(verb, support, show, maintain, praise)
3
back(verb, support, help, maintain, promote)
3
stand behind(verb, expression, support, maintain, praise)
2
ensure(verb, support, maintain, secure, approve)
2
stand up for(verb, expression, idiom, phrasal verb, support)
2
witness(verb, support, show, maintain, praise)
1
angel(verb, support, maintain, secure, protect)
1
answer for(verb, expression, support, help, maintain)
1
bankroll(verb, support, help, maintain, promote)
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APASmart Define. (2015). vouch for thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/vouch_for/thesaurus/synonyms
ChicagoSmart Define. 2015. "vouch for thesaurus" https://smartdefine.org/vouch_for/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, vouch for thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/vouch_for/thesaurus/synonyms>.
MLASmart Define. "vouch for thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/vouch_for/thesaurus/synonyms>