|1.||[ noun ] the act of attaining or gaining access to a new office or right or position (especially the throne)|
"Elizabeth's accession in 1558"
|Related terms:||beginning attainment access|
|2.||[ noun ] the act of entering upon or attaining to a position or right|
|Related terms:||entrance property_right civil_law|
|3.||[ noun ] agreeing with or consenting to (often unwillingly)|
"accession to such demands would set a dangerous precedent" "assenting to the Congressional determination"
|Related terms:||agreement assent|
|4.||[ verb ] make a record of additions to a collection, such as a library|
|Related terms:||record recording|
|5.||[ noun ] the right to enter|
|Synonyms:||access admittance entree|
|Related terms:||right door admit|
|6.||[ noun ] a process of increasing by addition (as to a collection or group)|
"the art collecting grew through accession"
|7.||[ noun ] something added to what you have already|
"the librarian shelved the new accessions" "he was a new addition to the staff"