There are several synonyms for "streak of luck" that can be used to describe a fortunate circumstance or turn of events. Some alternatives include "lucky break," "stroke of luck," "good fortune," "favorable outcome," and "serendipitous occurrence." Each of these phrases implies a certain element of chance or unpredictability, suggesting that the positive result was not necessarily expected or planned for. However, they also convey a sense of gratitude or appreciation for the unexpected blessing, acknowledging the role that luck or fate played in the outcome. Overall, these synonyms offer a rich vocabulary for expressing appreciation of good luck and acknowledging the role of chance in our lives.