There are numerous synonyms for the phrase "be socially active" which refers to actively engaging and participating in social activities and events with other people. Some common synonyms for this term include being outgoing, sociable, extroverted, gregarious, friendly, convivial, and interactive. Other synonyms for being socially active include engaging in conversations, mingling, socializing, networking, and participating in group activities. Being socially active is important for forming and maintaining relationships, building social skills, and improving mental health. So, it is always a good idea to step out of your comfort zone and engage in new social activities, which can lead to great experiences and opportunities.