Antonyms for the phrase "came to a close" could include "started," "began," "commenced," "opened," or "unveiled." These words indicate the opposite of ending or concluding, and instead emphasize a fresh start or the beginning of something new. Other antonyms might include "prolonged," "continued," or "extended," which denote a long-lasting or never-ending event or experience. Whether referring to a relationship, project, or event, antonyms for "came to a close" offer opportunities to focus on the beginning rather than the end, highlighting the potential for growth and progress instead of finality.