The phrase "put snare on" implies the act of trapping, deceiving or ensnaring someone. The antonyms for this phrase would be terms that indicate the opposite, such as "release," "free," or "liberate." These words convey an opposite meaning, one of letting go, offering freedom or letting someone be. Other antonyms for "put snare on" might include terms like "protect," "shield," or "defend," which suggest a sense of guarding, safeguarding or defending against danger or harm. By using these antonyms in speaking or writing, one can convey a completely different meaning and create a positive, uplifting message.