4
gild(verb, trim, ornament, embellish, decorate)
4
illume(verb, light, flash, shine, kindle)
4
rally(verb, encourage, raise, development, stimulate)
4
revive(verb, raise, back, stimulate, improve)
3
break(verb, reduce, release, free, ease)
3
brighten up(verb, expression, phrasal verb, raise, stimulate)
3
buck up(verb, expression, phrasal verb, encourage, raise)
3
clarify(clear, open, release, free, clean)
3
comfort(verb, reduce, release, free, encourage)
3
dawn
3
decorate(verb, trim, ornament, embellish, adorn)
3
lift up(verb, expression, raise, excite, boost)
3
liven
3
liven up(verb, expression, phrasal verb, raise, stimulate)
3
meliorate(verb, development, growth, self-improvement)
3
optimize
3
pick up(verb, expression, encourage, raise, stimulate)
3
please(verb, encourage, delight, stimulate, cheer)
3
recover(verb, encourage, raise, development, stimulate)
3
rise(verb, increase, raise, severe, development)
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APASmart Define. (2015). brighten thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/brighten/thesaurus/synonyms
ChicagoSmart Define. 2015. "brighten thesaurus" https://smartdefine.org/brighten/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, brighten thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/brighten/thesaurus/synonyms>.
MLASmart Define. "brighten thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/brighten/thesaurus/synonyms>