(noun, verb)


1. a process of increasing by addition (as to a collection or group)

- the art collection grew through accession

Definition categories: process, growth, increase, increment

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

Definition categories: possession

3. something added to what you already have

- the librarian shelved the new accessions

Similar word(s): addition

Definition categories: possession, acquisition

4. agreeing with or consenting to (often unwillingly)

- accession to such demands would set a dangerous precedent

Similar word(s): assenting

Definition categories: communication, agreement

5. the right to enter

Similar word(s): access, admission, admittance, entree

Definition categories: attribute, right

6. the act of attaining or gaining access to a new office or right or position (especially the throne)

- Elizabeth's accession in 1558

Definition categories: act, attainment


1. make a record of additions to a collection, such as a library

Definition categories: communication, enter, record