1. A signal to proceed
   - go-ahead 
2. Permission to proceed with a project or to take action
   "the gave the green light for construction to begin"

Derived forms: green lights

Type of: permission, robot [S.Africa], stoplight [N. Amer], traffic light, traffic signal

Encyclopedia: Green light

• Anomala
• Anomala orientalis
• anomalist
• anomalistic month
• anomalistic year
• Anomalopidae
• anomalops
• anomalopteryx
• Anomalopteryx oweni
• anomalous
• anomalous communication
• anomalously
• anomalousness
• anomaly
• anomia
• Anomia ephippium
• anomic
• anomic aphasia
• anomie
• Anomiidae
• anomy
• anon
• anonym
• anonymity
• anonymous