1
aggrandize(verb, increase, raise, severe, boost)
1
aggravate(verb, increase, raise, severe, boost)
1
applaud(verb, encourage, excite, prepare, boost)
1
arouse(verb, encourage, stimulate, restore, strengthen)
1
assoil
1
augment(verb, increase, raise, severe, boost)
1
authorise
1
authorize
1
awaken(verb, encourage, stimulate, cheer, restore)
1
be suffused(verb, light, color, burn, shine)
1
beacon
1
beautify(trim, ornament, embellish, decorate, adorn)
1
become cheerful(verb, expression, happy, improve, animate)
1
bedeck(trim, ornament, embellish, decorate, adorn)
1
bedizen(trim, ornament, paint, embellish, illuminate)
1
beef up(verb, expression, increase, raise, severe)
1
blare(verb, light, color, burn, shine)
1
blaze(verb, light, color, burn, shine)
1
bloom
1
bounce back(verb, expression, encourage, stimulate, restore)
11 years ago|9.6k views|share |citing 
APASmart Define. (2015). brighten thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/brighten/thesaurus/synonyms
ChicagoSmart Define. 2015. "brighten thesaurus" https://smartdefine.org/brighten/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, brighten thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/brighten/thesaurus/synonyms>.
MLASmart Define. "brighten thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/brighten/thesaurus/synonyms>