Stanislavski method
noun
Sta·ni·slav·ski method ˌsta-nə-ˈslaf-ski- 
-ˈslav-,
-ˈsläf-,
-ˈsläv-
: a technique in acting by which an actor strives to empathize with the character being portrayed so as to effect a realistic interpretation
Word History
Etymology
Konstantin Stanislavsky
First Known Use
1941, in the meaning defined above