accession
nounfemininetécnico/ɐ.sɨˈsɐ̃w̃/rare
a·ces·são
Definition
The act of formally agreeing to a treaty or joining an organization; the acquisition of property or territory.
The country's accession to the union is scheduled for next year.
The accession of new lands expanded the empire.
Common collocations
accession to a treatyaccession of territoryaccession to the throne
Etymology
Do latim 'accessio, -onis'.