The term "standpatters" refers to persons who resist any change in policies, beliefs or traditions. The antonyms for standpatters would be individuals who are receptive to change, varying opinions and new ideas. For example, words like innovation, reformist, open-minded, flexible, and progressive represent antonyms of standpatters. Innovation and reformist suggest creativity and willingness to improve existing processes or systems. Open-minded and flexible mean that people are willing to consider different perspectives and opinions. Progressive denotes a person who is desirous of progress and change. In conclusion, antonyms for standpatters, like innovation, reformist, and progressive, represent people who are willing to accept change in their lives.