back in(to) circulation

1. Engaging in social activities, typically after an absence. Now that my exams are done, I'm excited to get back in circulation and see my friends again. Jill wants to get back into circulation after her hospital stay.

2. Dating again after the end of a relationship. I hope to spend some time with Matt now that he's single again and back in circulation. She has mourned her husband and is ready to get back into circulation.