Excellency
Word family (noun) excellence Excellency (adjective) excellent (verb) excel (adverb) excellently
From Longman Dictionary of Contemporary EnglishExcellencyEx‧cel‧len‧cy /ˈeksələnsi/ noun → Your/His/Her ExcellencyExamples from the CorpusExcellency• Your Royal Highnesses, Your Excellencies, distinguished cabinet ministers and ambassadors, ladies and gentlemen.