wilful or (N American) willful /wilˈfŭl/

1. Self-willed, obstinate, headstrong
2. Deliberate, intentional
3. Willing (Shakespeare)

Wilfully

wilˈfully adverb

wilˈfulness noun

• outlasts
• outlaunce
• outlaunced
• outlaunces
• outlaunch
• outlaunched
• outlaunches
• outlaunching
• outlauncing
• outlaw
• outlawed
• outlawing
• outlawries
• outlawry
• outlaws
• outlay
• outlaying
• outlays
• outleap
• outleaped
• outleaping
• outleaps
• outleapt
• outlearn
• outlearned