A sociable dog is a friendly and outgoing dog that enjoys being around people and other animals, and is happy to interact and play with them. Full definition
They are very sociable dogs who must not be left alone all day without the company of people or other pets, else destructiveness may result. (yourpurebredpuppy.com)
They are also highly sociable dogs who are affectionate, cheerful, friendly and loving. (aplaceforanimals.com)
As highly sociable dogs, they thrive on human interaction with their families and they greet everyone with exuberance. (petpremium.com)