The phrase "strook terror into" implies a sense of fear or dread that has been invoked in someone or something. To express the opposite of this, we can use antonyms such as "comforted," "soothed," or "calmed." These words suggest a sense of relaxation or peace, rather than anxiety or stress. Other antonyms for "strook terror into" might include "reassured," "encouraged," or "emboldened." These words imply a sense of confidence or courage, rather than fear or dread. Whatever the context, it's important to remember that there are always multiple ways to express the same concept, and that choosing the right words can make a big difference in how our messages are received.