wilful or (N American) willful /wilˈfŭl/

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

Wilfully

• with the best of them
• with the best will in the world
• with the manner
• with the skin of one's teeth
• with the tail between the legs
• with the worse
• with this
• with tongue in cheek
• with tongue in one's cheek
• with weight
• with whole skin
• withwind
• withwinds
• withy
• with young
• withywind
• withywinds
• witing
• witless
• witlessly
• witlessness
• witlessnesses
• witling
• witlings
• witloof