Sociability is when someone likes to be with other people and is friendly and happy when they are with others.
Sociability is a good thing. It means someone is nice and likes to be with others.
Examples:
Her sociability makes her a good friend.
I like his sociability.
Sociability is important for making friends.
The dog's sociability makes it fun to be around.
His sociability is so big, he can make friends with anyone!
The cat's sociability is surprising because cats are usually not very sociable.