Answer: firesup

AnswerCrossword Clue
FIRESUPIgnites
FIRESUPReally incites
FIRESUPExcites
FIRESUPBecomes angry: Colloq.
FIRESUPGrows angry.
FIRESUPBecomes angry.
FIRESUPExcites.
FIRESUPGets others charged and ready