Simple past tense and past participle of greenlight.(verb)
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Use "greenlighted" in a sentence
"And at the same time, he "greenlighted" huge increases in solar power, wind power, coal liquefaction, and hydrogen."
"Israeli reporting after Israel's ill-fated June 1982 invasion quoted unnamed officials in Israel and the United States as saying that Haig "greenlighted" the operation."
"As we've discussed earlier, it seems that people think that the 'greenlighted' use of small thumbnails applies to thumbnails in blogs / webpages in general, and not only on search engines."