Assurers

2 clues
They give confidence
They make you feel confident
Similar answers:
Adherers
Admirers
Adorers
Adulterers
Airers
Alterers
Anassumedname
Arcticexplorers
Armorers
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Assuage
Assuaged
Assuages
Assuasive
Assuch
Assumable
Assume
Assumeadisguise
Assumearole
Assumed