etiquette /etˈi-ket or -ketˈ/

1. Forms of civilized manners or decorum
2. Ceremony
3. The conventional laws of courtesy observed between members of the same profession, sport, etc

• place settings
• placet
• placets
• place value
• place values
• placid
• placider
• placidest
• placidities
• placidity
• placidly
• placidness
• placidnesses
• placing
• placings
• placit
• placita
• placitory
• placitum
• plack
• placket
• placket-hole
• placket-holes
• plackets
• plackless