Bolstered

3 clues
Shored up
Propped up
Supported, with "up
Similar answers:
Altered
Alteredcarbon
Alteredstate
Alteredstates
Alteredstature
Bantered
Bartered
Barteredgroom
Battered
Batteredchicken
Bespattered
Bettered
Betteredherrings
Blistered
Blustered
Bolsa
Bolsena
Bolshevik
Bolsheviks
Bolshevism