1
brace up(verb, expression, encourage, stimulate, boost)
1
break up(expression, clear, open, release, free)
1
breathe new life into(verb, expression, idiom, encourage, stimulate)
1
brightened
1
brightening
1
brilliant
1
bring around(verb, expression, encourage, stimulate, restore)
1
bring to(verb, expression, encourage, stimulate, restore)
1
brush
1
buff up(verb, expression, phrasal verb, shine, glow)
1
build up(verb, expression, increase, raise, severe)
1
burn off(expression, clear, open, release, free)
1
cast(verb, shine, kindle, illuminate)
1
clear away(expression, open, release, free, clean)
1
color(verb, light, burn, shine, glow)
1
come around(verb, expression, encourage, stimulate, restore)
1
come to life(verb, expression, idiom, encourage, stimulate)
1
concentrate(verb, increase, raise, severe, boost)
1
crystalline
1
crystallize
11 years ago|9.6k views|share |citing 
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>