He's a really good tempered dog and is an amazing family dog. (premierpups.com)
She hasn't been aggressive at all, she is very well tempered and clearly was loved, trained, and taken care of prior to her owner's passing. (animalso.com)
This may sound all too simple, but I've seen some very aggressive dogs become better tempered because of their experience with basic obedience training. (abneycatahoulas.com)