willfully

• Vandalism-To willfully or maliciously destroy, injure, disfigure, or deface any public or private property, real or personal, without the consent of the owner or person having custody or control by cutting, tearing, breaking, marking, painting, drawing, covering with filth, or any other such means as may be specified by local law. —  Lawinfo Weblog
• All I can say is that if what this country regards as leadership is this kind of willfully uninformed, phony, hypocritical, religiously crazy nitwit, just because she's pretty and its citizens can believe that she was winking at them and that means they have a chance to nail her, then this country deserves everything it's going to get. —  Brilliant at Breakfast
• What is owed is the science as we know it, and that includes correcting those who misrepresent the science either willfully or unknowingly. —  RealClimate
• We have willfully, voluntarily and repeatedly given up any moral authority to even ask this question. —  TPMCafe
• Any person who willfully or maliciously injures, defaces, removes or destroys any tomb, monument, gravestone or other memorial of the dead, or any fence or any enclosure about any tomb, monument, gravestone or memorial, or who willfully and wrongfully destroys, removes, cuts, breaks or injures any tree, shrub, plant, flower, decoration, or other real or personal property within any cemetery or graveyard shall be guilty of a Class A misdemeanor. —  The Troy Messenger

Roget's II: The New Thesaurus