404 entries under verb topic. ×

12
affirm(support, state, maintain, praise)
12
confirm(support, state, maintain, praise)
12
swear(state, maintain, declare, agreement)
11
underwrite(support, help, cover, promote)
10
endorse(support, state, maintain, secure)
9
back(support, help, maintain, promote)
9
collateral(noun, secure, back, agreement)
9
pawn(noun, agree, declare, agreement)
9
stipulate(order, accept, start, agree)
8
engage(order, pass, agree, declare)
8
make sure(expression, idiom, support, secure)
8
sponsor(support, help, maintain, promote)
8
support(noun, maintain, promote, encourage)
7
agree(order, accept, start, pass)
7
make certain(expression, idiom, support, secure)
7
testify(support, state, maintain, back)
6
commit(accept, start, pass, agree)
6
countersign(secure, back, approve, sanction)
6
plight(noun, agree, declare, agreement)
6
protect(cover, confirm, promise, assure)
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APASmart Define. (2015). guarantee thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/guarantee/thesaurus/synonyms
ChicagoSmart Define. 2015. "guarantee thesaurus" https://smartdefine.org/guarantee/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, guarantee thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/guarantee/thesaurus/synonyms>.
MLASmart Define. "guarantee thesaurus" 24 December 2015. Web. 24 September 2026. <https://smartdefine.org/guarantee/thesaurus/synonyms>