excellency
Concise Oxford English Dictionary © 2008 Oxford University Press:
excellency/ˈɛks(ə)l(ə)nsi/
▶noun (pl. excellencies)
- 1 (His, Your, etc. Excellency) a title or form of address for certain high officials of state, especially ambassadors, or of the Roman Catholic Church.
- 2 archaic an outstanding feature or quality.
'excellency' also found in these Oxford entries:

