2
booster station
2
collector
2
deception
2
dose(noun, needle, inoculation)
2
elevator
2
encourager(noun, advocate, leader, supporter, fan)
2
guardian(noun, advocate, leader, supporter, fan)
2
helper(noun, advocate, leader, supporter, fan)
2
idolizer(noun, supporter, promoter)
2
immunization(noun, remedy, shot, vaccination, injection)
2
increaser
2
propeller
2
proponent(noun, support, advocate, supporter, fan)
2
puffer
2
raiser
2
recall dose(noun, expression, idiom)
2
relay station
2
shill
2
stick
2
teacher's pet
10 years ago|7.5k views|share |citing 
APASmart Define. (2015). booster thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/booster/thesaurus/synonyms
ChicagoSmart Define. 2015. "booster thesaurus" https://smartdefine.org/booster/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, booster thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/booster/thesaurus/synonyms>.
MLASmart Define. "booster thesaurus" 24 December 2015. Web. 24 September 2026. <https://smartdefine.org/booster/thesaurus/synonyms>