Synonyms|152Antonyms|2|Broader|0Narrower|0Related|30
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smile
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snap out of it(verb, expression, idiom, improve, cheer)
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solace
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sold on(expression, delight, content, entertain, appease)
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spice up(expression, cheer, enliven, brighten)
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spot(verb, animate, shine, kindle)
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stimulate
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strengthen
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switch on(verb, expression, animate, shine, kindle)
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take heart(expression, cheer, mend, enliven, brighten)
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trigger
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turn on(verb, expression, raise, stimulate, lift)
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APASmart Define. (2015). brighten up thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/brighten_up/thesaurus/synonyms
ChicagoSmart Define. 2015. "brighten up thesaurus" https://smartdefine.org/brighten_up/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, brighten up thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/brighten_up/thesaurus/synonyms>.
MLASmart Define. "brighten up thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/brighten_up/thesaurus/synonyms>