noun
- the act of coming to or attaining (a throne, power, etc.): the accession of a new king
- assent; agreement
- increase by addition
- an item added, as to a library or museum
- an outburst; paroxysm; access
- Law
- addition to property by improvements or natural growth
- the owner's right to the increase in value due to such additions
Origin:
Fr < L accessio < accessus, access
transitive verb
to record (a book, etc.) as a new accession