noun
accession
Formal acceptance of a treaty or agreement as a party to it.
The country completes its accession to the treaty this week.
Etymology
Latin accessio expressed approaching or being added. Treaty accession applies the joining idea to a state or other party that formally becomes bound by an agreement.
More examples
- Officials deposited the instrument of accession.
- The agreement sets conditions for future accessions.
- Parliament approved accession after a lengthy debate.
Forms
accession · accessions
Similar words
- ratification
- Confirms an agreement already signed rather than joining later.
- adherence
- Can mean following an agreement without the formal joining act.