'accession' definitions:

A process of increasing by addition (as to a collection or group); "the art collection grew through accession"

(civil law) the right to all of that which your property produces whether by growth or improvement

Something added to what you already have; "the librarian shelved the new accessions"; "he was a new addition to the staff" [syn: accession, addition]

Agreeing with or consenting to (often unwillingly); "accession to such demands would set a dangerous precedent"; "assenting to the Congressional determination" [syn: accession, assenting]

The right to enter [syn: entree, access, accession, admission, admittance]

The act of attaining or gaining access to a new office or right or position (especially the throne); "Elizabeth's accession in 1558" [syn: accession, rise to power]

Make a record of additions to a collection, such as a library