How To Pronounce "Accession"

noun
the act of coming into the possession of a right, title, office, etc.:
accession to the throne.

an increase by something added:
an accession of territory.

something added:
a list of accessions to the college library.

Law. addition to property by growth or improvement.

consent; agreement; approval:
accession to a demand.

International Law. formal acceptance of a treaty, international convention, or other agreement between states.

the act of coming near; approach.

an attack or onset, as of a disease.

verb (used with object)
to make a record of (a book, painting, etc.) in the order of acquisition.

to acquire (a book, painting, etc.), especially for a permanent collection.