264 entries under strengthen topic. ×

8
enhance(verb, support, get, advance, increase)
8
invigorate(verb, support, increase, encourage, raise)
8
magnify(verb, get, advance, increase, develop)
7
heighten(verb, support, get, advance, increase)
7
build up(verb, expression, phrasal verb, support, get)
7
consolidate(verb, support, close, set, fix)
7
encourage(verb, support, help, develop, favor)
7
energize(verb, support, encourage, raise, stimulate)
7
steel(verb, support, close, set, fix)
6
add to(verb, expression, phrasal verb, support, help)
6
carry(verb, support, hold, help, maintain)
6
deepen(verb, advance, increase, raise, rise)
6
gird(verb, support, close, set, fix)
6
multiply(verb, support, advance, increase, develop)
6
nerve(verb, close, set, fix, settle)
6
raise(verb, get, advance, increase, develop)
6
supplement(verb, support, help, advance, increase)
6
uphold(verb, support, hold, help, fix)
5
beef up(verb, expression, phrasal verb, support, increase)
5
step up(verb, expression, support, advance, increase)
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APASmart Define. (2015). reinforce thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/reinforce/thesaurus/synonyms
ChicagoSmart Define. 2015. "reinforce thesaurus" https://smartdefine.org/reinforce/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, reinforce thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/reinforce/thesaurus/synonyms>.
MLASmart Define. "reinforce thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/reinforce/thesaurus/synonyms>