1. plural of arouser; people or things that awaken someone from sleep or a state of inactivity
2. people or things that stimulate interest, emotion, or action

Examples

• The alarm clocks were effective arousers for the heavy sleepers in the dormitory.
• Coffee and cold water are common arousers used to wake up in the morning.
• The documentary served as one of the most powerful arousers of social consciousness in the community.
• Motivational speakers are often arousers of ambition and determination in their audiences.
• The sudden noise acted as an arouser, pulling everyone's attention to the emergency.
• These arousers of public opinion shaped the political debate for months.