79 entries under support topic. ×

1
heighten(verb, increase, establish, extend)
1
hype(verb, increase, boost, sustain)
1
increase(verb, establish, extend, boost)
1
justify(verb, increase, establish, extend)
1
lend a hand(verb, expression, idiom, increase)
1
make firm(verb, expression, set, increase)
1
mount(verb, increase, establish, extend)
1
multiply(verb, increase, establish, extend)
1
pick up(verb, expression, increase, raise)
1
pillar(verb, increase, boost, sustain)
1
place(noun, verb, set, secure)
1
powerful(verb, increase, establish, extend)
1
prepare(verb, study, develop, improve)
1
prop up(verb, expression, increase, boost)
1
punch up(verb, expression, increase, boost)
1
ready(verb, encourage, restore, uphold)
1
regenerate(verb, increase, establish, extend)
1
rejuvenate(verb, increase, raise, establish)
1
renew(verb, increase, raise, establish)
1
rise(verb, form, set, increase)
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APASmart Define. (2016). harden thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/harden/thesaurus/synonyms
ChicagoSmart Define. 2016. "harden thesaurus" https://smartdefine.org/harden/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, harden thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/harden/thesaurus/synonyms>.
MLASmart Define. "harden thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/harden/thesaurus/synonyms>