Mis-mates are individuals who are not compatible with each other. However, there are several antonyms for this word, such as matching, coupling, harmonizing, uniting, complementing, and blending. These words denote the act of bringing together like-minded people who share similar interests, characteristics, or values. In romantic relationships or friendships, for instance, it's essential to find someone who complements and harmonizes with our personality and lifestyle to build a healthy relationship. In business or team settings, it's also vital to have members who match or blend well with each other to achieve shared goals and objectives. Therefore, instead of seeking mis-mates, we should strive to find our matching or compatible partners in different aspects of life.