Tactical Empathy understands another's feelings and mindset
Understanding the feelings and mindset of another, as well as what motivates those feelings in order to increase your influence.
Tactical empathy is understanding the feelings and mindset of another in the moment and also hearing what is behind those feelings so you increase your influence in all the moments that follow. It’s bringing our attention to both the emotional obstacles and the potential pathways to getting an agreement done.
source: Never Split the Difference – Voss, Raz (2016), ch. 3