Definition of "greenlight" []

• To approve; to permit to proceed. (verb)

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• "The first film I'd greenlight is Poul Anderson's Tau Zero, a tour-de-force if ever there was one."
• "Although it would then face other hurdles, most notably the greenlight from the Italian government that emerges from elections next month, getting Alitalia's combative unions on board represents a key step for Air France-KLM to clinch a deal."
• "Previously, Mr. Spielberg and Ms. Snider could independently "greenlight" -- or put into production -- up to eight films a year."