Synonyms|216Antonyms|49|Broader|12Narrower|0Related|56

63 entries under support topic. ×

1
buy(verb, back, sign, uphold)
1
check(verb, back, uphold, explain)
1
double-check(verb, back, uphold, explain)
1
endorse(verb, back, sign, prove)
1
give stamp of approval(expression, idiom, back, sign)
1
give the go-ahead(expression, idiom, back, sign)
1
give the nod(expression, idiom, back, sign)
1
lap up(expression, back, sign, uphold)
1
make good(expression, back, sign, uphold)
1
make sure(expression, back, sign, uphold)
1
okay(verb, back, sign, prove)
1
prove(verb, back, explain, verify)
1
ratify(verb, back, sign, prove)
1
rubber-stamp(verb, back, sign, prove)
1
sanction(verb, back, sign, uphold)
1
settle(verb, back, uphold, explain)
1
sign(verb, back, uphold, prove)
1
sign off on(expression, idiom, back, sign)
1
size up(expression, back, uphold, explain)
1
thumbs up(expression, back, sign, uphold)
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APASmart Define. (2015). underpin thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/underpin/thesaurus/synonyms
ChicagoSmart Define. 2015. "underpin thesaurus" https://smartdefine.org/underpin/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, underpin thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/underpin/thesaurus/synonyms>.
MLASmart Define. "underpin thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/underpin/thesaurus/synonyms>