"Happy reunion" refers to a joyful gathering or meeting of people who were separated but have come together again, bringing happiness and delight. Full definition
Happy reunion stories are widely shared and can elevate the rescue's reputation in the community. (generationwags.com)
You could go years without seeing her, but when you do, it's like a little happy reunion and she can't control her excitement. (bestfriends.org)
Thousands of pet owners who follow this advice from the CCSPCA enjoy happy reunions with their lost pets, sometimes right at the CCSPCA counter... other times, on the streets of their neighborhoods, at other animal control facilities, and even in the homes of friendly community members trying to help. (ccspca.com)