Definition of Excellency (noun)
- a title used to address dignitaries (such as ambassadors or governors); usually preceded by `Your' or `His' or `Her'
- "Your Excellency"
- an outstanding feature; something in which something or someone excels
- "a center of manufacturing excellence"; "the use of herbs is one of the excellencies of French cuisine"
- synonyms: excellence
Source: Princeton University Wordnet