Willful
Ballentine's Law Dictionary · James A. Ballentine · 1916
Ballentine's Law Dictionary
Ordinarily means intentional as distinguished from accidental or involuntary, but in penal statutes it means with evil intent or legal malice, or without reasonable ground to believe the act lawful.
See 55 Tex. Cr. 164, 131 Am. St. Rep. 809, 115 S. W. 597.