Definition of "keynoted" []

• Simple past tense and past participle of keynote. (verb)

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• "Last week, she keynoted the State of the Net conference -- the biggest tech policy fete in the capital so far this year."
• "One of my favorite prognosticators, Worldchanging Executive Editor Alex Steffen keynoted last Tuesday with some simple and clear rules for the future of sustainable design."
• "Philanthropist Sir Richard Branson, who keynoted UN General Assembly deliberations on climate change, was correct to call for a "war room" to adequately respond to a rapidly warming planet."