Answer: keynotespeakers

AnswerCrossword Clue
KEYNOTESPEAKERSThey give important addresses, as at political conventions
KEYNOTESPEAKERSConvention bigwigs
KEYNOTESPEAKERSConvention luminaries
KEYNOTESPEAKERSTheir words are usually conventional
KEYNOTESPEAKERSKennedy and Clinton, once
KEYNOTESPEAKERSThey make deliveries