IPA: /prəˈɡrɛsɪvnəs/
KK: /prəˈɡrɛsɪvnəs/
The quality of favoring or promoting change and improvement in society, politics, or other areas.
The progressiveness of the new policies has led to significant improvements in education.
Progressiveness → It is formed from "pro-" (meaning forward) and "gress" (from Latin "gradi", meaning to step or walk) and the suffix "-iveness" (indicating a quality or state). The word "progressiveness" refers to the quality of moving forward or advancing in ideas or social reform.
Think of 'moving forward' ('pro-') and 'stepping' ('gress') to remember that 'progressiveness' means the quality of advancing or promoting new ideas.