190 entries under increase topic. ×

1
lengthen(verb, advance, raise, rise)
1
lighten(verb, raise, severe, boost)
1
mark up(verb, expression, advance, raise)
1
pad(verb, advance, develop, raise)
1
perfect(verb, form, make, place)
1
perk up(verb, expression, get, promote)
1
pillar(verb, support, sustain, uphold)
1
point(verb, raise, severe, boost)
1
pour it on(verb, expression, idiom, encourage)
1
progress(verb, advance, develop, raise)
1
protract(verb, advance, raise, rise)
1
pullulate(verb, advance, raise, rise)
1
punch up(verb, expression, support, encourage)
1
set off(verb, expression, raise, severe)
1
severe(verb, raise, boost, aggravate)
1
slap on(verb, expression, advance, develop)
1
stand up for(verb, expression, idiom, support)
1
tag on(verb, expression, develop, secure)
1
teem(verb, advance, raise, rise)
1
underline(verb, support, sustain, uphold)
10 years ago|19k views|share |citing 
APASmart Define. (2016). strengthen thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/strengthen/thesaurus/synonyms
ChicagoSmart Define. 2016. "strengthen thesaurus" https://smartdefine.org/strengthen/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, strengthen thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/strengthen/thesaurus/synonyms>.
MLASmart Define. "strengthen thesaurus" 3 March 2016. Web. 28 September 2026. <https://smartdefine.org/strengthen/thesaurus/synonyms>