The word "dis-sentient" means not having an opinion or not expressing one's views. Its antonyms are words that express the opposite meaning, such as "opinionated," "vocal," "assertive," and "decisive." By using these antonyms, you can describe a person who is confident in expressing their thoughts and ideas, who is not afraid to take a stand, and who is willing to participate in discussions and debates. These antonyms can also be used to describe a situation where there is a lively exchange of ideas and opinions, or a group of people who engage in constructive discussions.