1
bolster(verb, support, increase, establish, extend)
1
bolt(rush, speed, urge, hurry, quicken)
1
bound(rush, speed, urge, hurry, quicken)
1
brace(verb, support, increase, secure, establish)
1
brighten(verb, increase, raise, severe, boost)
1
broaden(verb, advance, increase, raise, rise)
1
buck up
1
build(verb, advance, increase, develop, raise)
1
bump(verb, support, break, advance, raise)
1
burn(rush, speed, urge, hurry, quicken)
1
bustle(rush, speed, urge, hurry, quicken)
1
charge
1
clip(rush, speed, urge, hurry, quicken)
1
close
1
close in
1
close with
1
come
1
come closer
1
come near
1
come on
10 years ago|5.5k views|share |citing 
APASmart Define. (2016). step up thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/step_up/thesaurus/synonyms
ChicagoSmart Define. 2016. "step up thesaurus" https://smartdefine.org/step_up/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, step up thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/step_up/thesaurus/synonyms>.
MLASmart Define. "step up thesaurus" 25 February 2016. Web. 20 September 2026. <https://smartdefine.org/step_up/thesaurus/synonyms>