Will in Sanskrit

[NAYAK Anand]

What is "will" (as in "will-power" "faculties of intelligence and will"...)in Sanskrit? Does the Indian psychology admit such a faculty in man?  Can anyone help? 
Thanks
A. Nayak

Prof. Dr. Anand Nayak
Université de Fribourg/ Universität Freiburg-Schweiz
DÉPARTEMENT DES SCIENCES DE LA FOI ET DES RELIGIONS, PHILOSOPHIE
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