Answer:

arouser

AnswerCrossword Clue
AROUSERReveille, e.g.
AROUSERAlarm, say
AROUSERPet dog in need of a morning walk, perhaps
AROUSERWake-up call
AROUSERAlarm clock
AROUSERSudden noise, perhaps
AROUSERAlarm clock, e.g.
AROUSEREarly bird
AROUSERAlarm, often
AROUSERAwakener.
AROUSERAlarm clock.
AROUSERAgitator.
AROUSERAlarm, e.g.
AROUSEROne giving a wake-up call
AROUSERWake-up call, e.g.
AROUSERInterest-piquing thing
AROUSERThat which excites
AROUSERStimulating thing