What does "assuage" mean?

The term "assuage" specifically refers to the act of making something less intense or severe, particularly in the context of emotions or negative experiences. In usage, it is often associated with calming fears or relieving feelings of pain or anxiety. For example, when someone comforts another person in distress, they might be trying to assuage their anxiety or grief, essentially helping to soothe and alleviate those feelings.

Therefore, the correct choice is "to calm or relieve," as it captures the essence of the word's meaning, highlighting its therapeutic connotation.