110 entries under expression topic. ×

17
make certain(verb, idiom, support, check)
15
make sure(verb, idiom, support, check)
7
see to it(verb, idiom, phrasal verb, see)
5
make safe(verb, idiom, secure, confirm)
5
nail down(verb, phrasal verb, secure, confirm)
4
stand behind(verb, support, maintain, secure)
3
set out(verb, phrasal verb, secure, confirm)
3
vouch for(verb, phrasal verb, support, maintain)
2
answer for(verb, support, maintain, secure)
2
find out(verb, phrasal verb)
2
make bail(verb, support, maintain, secure)
2
set at rest(idiom, certainty)
2
sign for(verb, support, maintain, secure)
2
stand up for(idiom, support, maintain, secure)
1
be sponsor for
1
be sure(verb, idiom)
1
bind oneself(verb, support, maintain, secure)
1
care for(verb, mark, see, note)
1
cross heart(verb, agree, declare, commit)
1
dismiss all doubt
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APASmart Define. (2015). ensure thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/ensure/thesaurus/synonyms
ChicagoSmart Define. 2015. "ensure thesaurus" https://smartdefine.org/ensure/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, ensure thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/ensure/thesaurus/synonyms>.
MLASmart Define. "ensure thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/ensure/thesaurus/synonyms>