Accession is defined as the process of getting a higher rank or position.(noun)
A prince becoming king is an example of the prince’s accession to the throne.
The definition of accession is the process of taking one object and placing it with other objects.(noun)
The acquisition of new paintings by an art museum is an example of accession.
See accession in Webster's New World College Dictionary
Origin: Fr < L accessio < accessus, access
See accession in American Heritage Dictionary 4
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