conation
Concise Oxford English Dictionary © 2008 Oxford University Press:
conation /kəˈneɪʃ(ə)n/
▶noun Philosophy & Psychology desire or will to perform an action; volition.
– derivatives
conative adjective.
conative adjective.
– origin C17 (denoting an attempt or endeavour): from L. conatio(n-), from conari ‘to try’.
'conation' also found in these Oxford entries:

