2
soup up
2
spike
2
step up(verb, expression, increase, develop, continue)
2
sugar-coat(verb, tempt, add, soft-soap, jellied)
2
supplement
2
temper(verb, calm, ease, moderate, lessen)
2
tempt(verb, reward, soft-soap, soft-soaping, candied)
2
tip(verb, reward)
1
abate(verb, calm, lessen, relieve, soothe)
1
add sugar(verb, expression, soothe, sugar-coat, sugar)
1
add sugar to(verb, expression, idiom, phrasal verb, sugar-coat)
1
add sweetening(verb, expression, soothe, tempt, add)
1
age(verb, relax, expand, soften, mature)
1
aggrandize(verb, increase, develop, extend, improve)
1
ameliorate(verb, calm, develop, improve, soothe)
1
assortment
1
award(verb, reward)
1
be enough(verb, calm, satisfy, soothe, pacify)
1
better(verb, develop, improve, boost, enhance)
1
bleach
10 years ago|4.9k views|share |citing 
APASmart Define. (2015). sweeten thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sweeten/thesaurus/synonyms
ChicagoSmart Define. 2015. "sweeten thesaurus" https://smartdefine.org/sweeten/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, sweeten thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sweeten/thesaurus/synonyms>.
MLASmart Define. "sweeten thesaurus" 24 December 2015. Web. 25 September 2026. <https://smartdefine.org/sweeten/thesaurus/synonyms>