Final answer:
The use of 'assuage' is best illustrated in a teacher calming her students' fears before a difficult exam.
Step-by-step explanation:
The scenario that best illustrates the use of the word 'assuage' is a teacher calming her students' fears before a difficult exam. Assuage means to make less intense or relieve, and in this scenario, the teacher is comforting and reassuring the students, alleviating their fears and worries about the upcoming exam.
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