1. Adding information or detail
   - expansion

Type of: increase, step-up

• headless
• headlight
• headlike
• headline
• headliner
• headlinese
• headlock
• headlong
• headman
• headmaster
• headmastership
• headmistress
• headmistressship
• headmost
• headnote
• headphone
• headpiece
• headpin
• headquarter
• headquarters
• headquarters staff
• headrace
• headrest
• headroom
• heads-up