( usually initial capital letter ) . Also, Excellence.a title of honor given to certain high officials, as governors, ambassadors, and Roman Catholic bishops and archbishops (preceded by his, your, etc.).
2.
( usually initial capital letter ) a person so entitled.
3.
( usually initial capital letter ) the title of the Governor General of Canada while in office.
4.
Usually, excellencies.excellent qualities or features.
Origin: 1275–1325;Middle Englishexcellencie < Latinexcellentia. See excellent, -ency