wilful or (N American) willful /wilˈfŭl/

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

Wilfully

wilˈfully adverb

• grass-plots
• grassquit
• grassquits
• kedgerees
• kedgers
• kedges
• kedgier
• kedgiest
• kedging
• kedgy
• keds
• keech
• keeches
• keek
• keeked
• keeker
• keekers
• keeking
• keeking-glass
• keeking-glasses
• keeks
• keel
• keelage
• keelages
• keelboat