excellency

Noun
  1. A title used to address dignitaries (such as ambassadors or governors);
    Usually preceded by `Your' or `His' or `Her' (synset 110088735)
    "Your Excellency"
  2. An outstanding feature;
    Something in which something or someone excels (synset 105860309)
    "a center of manufacturing excellence"; "the use of herbs is one of the excellencies of French cuisine"

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