volitional

from WordNet (r) 3.0 (2006)
volitional
    adj 1: with deliberate intention; "a volitional act"
    
from The Collaborative International Dictionary of English v.0.48
Volitional \Vo*li"tion*al\, a.
   Belonging or relating to volition. "The volitional impulse."
   --Bacon.
   [1913 Webster]
    

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