conation
noun
co·na·tion kō-ˈnā-shən 
: an inclination (such as an instinct, a drive, a wish, or a craving) to act purposefully : impulse sense 1
conative
ˈkō-nə-tiv
adjective ˈkä-
ˈkō-ˌnā-
Word History
Etymology
Latin conation-, conatio act of attempting, from conari to attempt — more at deacon
First Known Use
circa 1837, in the meaning defined above
Medical Definition
conation
noun
co·na·tion kō-ˈnā-shən
: an inclination (as an instinct, a drive, a wish, or a craving) to act purposefully : impulse sense 2