1. plural of awakener; people or things that wake someone up or cause them to become conscious
Usage: most common sense
2. people or things that cause someone to become aware of something or to change their perspective or beliefs
Usage: figurative sense

Examples

• The alarm clocks served as reliable awakeners for the students on school mornings.
• Social media can be one of the awakeners of political consciousness in young people.
• The documentary was one of the awakeners that changed her views on environmental issues.
• Morning birds are natural awakeners in the countryside.
• These books are awakeners of critical thinking in readers.
• The crisis acted as one of the awakeners that united the community.