supersession
Noun
Meaning
The act of superseding, or the state of being superseded; supersedure.
Source: Webster's dictionarySynonyms
Antonyms
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Examples
Following the League's supersession by the United Nations in 1946, South Africa refused to surrender its earlier mandate to be replaced by a United Nations Trusteeship agreement, requiring closer international monitoring of the territory's administration.
During the summer of 1969, Clapton and Bramlett contributed to the Music From Free Creek "supersession" project.
The services were at the same time simplified and shortened, and the use of the whole Psalter every week (which had become a mere theory in the Roman Breviary, owing to its frequent supersession by saints' day services) was made a reality.