A favorable wind can mean favorable conditions or circumstances as well. Other synonyms for the phrase might be "good fortune," "luck," or "tailwind." Other phrases that might convey a similar meaning could be "smooth sailing," "going your way," or "working in your favor." Synonyms for the word "wind" alone could vary depending on context, but could include "gust," "breeze," "draught," or "airflow." Additionally, if referring to sailing, other nautical terms like "fair wind" or "following wind" might come into play. Regardless of the phrasing or context, a favorable wind suggests a sense of ease, progress, and uncomplicated movement towards success.