1. Pertaining to: director or directory; specifically, relating to the Directory of France under the first republic 
2. Having the quality of a director, or authoritative guide; directive

Encyclopedia: Directorial

• Zollinger-Ellison syndrome
• Zoloft
• Zomba
• zombi
• zombi spirit
• zombie
• zombie spirit
• zombify
• zona
• zona pellucida
• zonal
• zonal pelargonium
• zonally
• zonary
• zone
• zone fire
• zone of interior
• zoning
• zoning board
• zoning commission
• zonk
• zonk out
• zonked
• zonked out
• Zonotrichia