3
keep up(verb, expression, support, hold, help)
3
lard
3
mainstay(noun, verb, support, hold, maintain)
3
mat(noun, support, seat, pad, cushion)
3
plod
3
shoulder(verb, support, hold, take, maintain)
3
simplify
3
slog
3
tramp
3
trudge
3
underpinning(noun, support, stay, bar, prop)
3
upbear(verb, support, hold, maintain, promote)
2
increase(verb, support, open, develop, establish)
2
abet(verb, support, hold, help, keep)
2
advise(verb, support, take, promote, encourage)
2
ameliorate(verb, support, develop, promote, encourage)
2
argue for(expression, support, take, promote, encourage)
2
assure(encourage, cheer, comfort)
2
base(verb, hold, maintain, uphold, reinforce)
2
be in corner(verb, support, take, promote, encourage)
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APASmart Define. (2016). bolster thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/bolster/thesaurus/synonyms
ChicagoSmart Define. 2016. "bolster thesaurus" https://smartdefine.org/bolster/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, bolster thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/bolster/thesaurus/synonyms>.
MLASmart Define. "bolster thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/bolster/thesaurus/synonyms>