wilful or (N American) willful /wilˈfŭl/

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

Wilfully

wilˈfully adverb

• cadent
• cadential
• cadenza
• cadenzas
• cades
• cadet
• cadet branch
• cadet corps
• cadets
• cadetship
• cadetships
• cadge
• cadged
• cadger
• cadgers
• cadges
• cadgier
• cadgiest
• cadging
• cadgy
• cadi
• cadie
• cadis
• CADMAT
• Cadmean