There are plenty of synonyms for the word "re-light" which can be used in different contexts depending on the situation. Some of the synonyms for "re-light" includes relighten, reignite, rekindle, restart, resurrect, and reawaken. These synonyms can be used when referring to actual lighting in various applications such as candles, firewood, bonfires, and other sources of light. Metaphorically, these synonyms can also be used in various settings such as relationships, businesses, sports, and other fields where the idea of giving something a fresh start or bringing something back to life is a necessary task. Whatever the context may be, these synonyms can help convey the desired meaning effectively.