The term "nonparticipations" implies that someone is opting out of participating in a certain activity or event. The antonyms for nonparticipation are "participation," "involvement," "engagement," and "partaking." These words all suggest actively taking part in something or being a part of a group, team, or organization, rather than standing on the sidelines. Participation can lead to increased feelings of satisfaction, belonging, and accomplishment. It can also help individuals develop new skills, explore new interests, and forge valuable connections with others. Thus, it's important for people to overcome their fear of participation and engage in the activities that interest them.