Answer: BOOSTERS

AnswerCrossword Clue
BOOSTERSEnthusiastic supporters
boostersBOOSTER, that which boosts
boostersA device for increasing electrical voltage or signal strength
boostersThe first stage of a rocket or spacecraft, used to give initial acceleration
boostersA shoplifter
boostersA person or thing that helps increase or promote something, in particular
boostersA source of help or encouragement
boostersA keen promoter of a person, organization, or cause
boostersA dose of an immunizing agent increasing or renewing the effect of an earlier one
BOOSTERSSome vaccine shots
BOOSTERSFans
BOOSTERSStages of space exploration
BOOSTERSOpposite of the knockers.
BOOSTERSPromoters: Colloq.
BOOSTERSDevices for rocket propulsion.
BOOSTERSAmplifiers, in radio.
BOOSTERSPromoters.
BOOSTERSImmunization shots, e.g.
BOOSTERSSecond shots