1) Deliberate 2) Disobedient 3) Froward 4) Headstrong 5) Incorrigible 6) Intended 7) Intentional 8) Voluntary 9) Wilful 1) Deliberate 2) Done by design 3) Intentional 4) Voluntary 5) Wilful 
• (a.) Of set purpose; self-determined; voluntary; as, willful murder. • (a.) Governed by the will without yielding to reason; obstinate; perverse; inflexible; stubborn; refractory; as, a willful man or horse.
(adj) This adjective is used to represent an intentional action or non action with full presence of mind knowing all consequences of such action or non action. Normally it is used to represent an act or non action with a motive to do a crime.
Will'ful adjective [ Will + full .] [ Written also wilful .] 1. Of set purpose; self-determined; voluntary; as, willful murder. Foxe. « In willful poverty chose to lead his life .» Chaucer. « Thou to me Art all things unde...
Intentional, conscious, and intended to achieve a particular result.
[SAT terms] done by design habitually disposed to disobedience and opposition[Intelligent words] habitually disposed to disobedience and opposition