153 entries under reinforce topic. ×

4
quicken(verb, increase, promote, encourage, raise)
4
sinew(noun, verb, powerful, fortify, brace)
4
stay(verb, support, help, set, boost)
4
steady(verb, fix, harden, thicken)
4
wax(verb, advance, increase, develop, raise)
3
arm(verb, fix, power, stimulate, excite)
3
ascend(verb, powerful, fortify, brace)
3
buoy(verb, support, help, set, encourage)
3
cement(verb, hold, close, set, fix)
3
extend(verb, advance, increase, develop, raise)
3
fix(verb, form, hold, make, close)
3
heat up(verb, expression, support, increase, raise)
3
make stronger(verb, expression, idiom, support, powerful)
3
regenerate(verb, powerful, revive, fortify, brace)
3
set(verb, support, hold, close, fix)
3
thicken(verb, close, set, fix, advance)
2
assure(encourage, inspire, fortify, uplift)
2
buck up(verb, expression, support, help, encourage)
2
cake(verb, close, set, fix, settle)
2
carry(verb, support, hold, help, set)
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APASmart Define. (2016). strengthen thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/strengthen/thesaurus/synonyms
ChicagoSmart Define. 2016. "strengthen thesaurus" https://smartdefine.org/strengthen/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, strengthen thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/strengthen/thesaurus/synonyms>.
MLASmart Define. "strengthen thesaurus" 3 March 2016. Web. 30 September 2026. <https://smartdefine.org/strengthen/thesaurus/synonyms>