The antonyms for the word "in commensurateness" include "proportionate," "adequate," "appropriate," "balanced," "suitable," "harmonious," "corresponding," "equal," "commensurate," and "congruent." These words indicate that something is in the right proportion or ratio, matching the requirements or expectations for a given situation. When something is in commensurateness, it can be either too little or too much, causing problems and imbalances. Therefore, finding its antonyms can help to understand and describe the ideal condition of having the right amount or degree of something, without causing any negative impact or consequences.