accession

nouns

a process of increasing by addition (as to a collection or group)
"the art collection grew through accession"
is a type of (narrower)
a process of becoming larger or longer or more numerous or more important
"the increase in unemployment"; "the growth of population"
(civil law) the right to all of that which your property produces whether by growth or improvement
domain category
the body of laws established by a state or nation for its own regulation
is a type of (narrower)
the legal right of ownership
something added to what you already have
"the librarian shelved the new accessions"; "he was a new addition to the staff"
agreeing with or consenting to (often unwillingly)
"accession to such demands would set a dangerous precedent"; "assenting to the Congressional determination"
is derived from
the act of attaining or gaining access to a new office or right or position (especially the throne)
"Elizabeth's accession in 1558"
is derived from
is derived from

verbs

make a record of additions to a collection, such as a library
domain category
the act of making a record (especially an audio record)
"she watched the recording from a sound-proof booth"
is a type of (narrower)
make a record of; set down in permanent form