Definition of accession


  • a process of increasing by addition (as to a collection or group); "the art collection grew through accession".
  • (civil law) the right to all of that which your property produces whether by growth or improvement.
  • something added to what you already have; "the librarian shelved the new accessions", "he was a new addition to the staff". Synonyms: addition.
  • agreeing with or consenting to (often unwillingly); "accession to such demands would set a dangerous precedent", "assenting to the Congressional determination". Synonyms: assenting.
  • the right to enter. Synonyms: access, admission, admittance, entree.
  • the act of attaining or gaining access to a new office or right or position (especially the throne); "Elizabeth's accession in 1558". Synonyms: rise to power.


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

Related words


Rhymes with accession

aggression, compression, concession, confession, decompression, depression, digression, discretion, expression, freshen, hessian, impression, indiscretion, intercession, intercession, nonaggression, obsession, oppression, possession, precession.

Start with accession

accessioning, accessions, accessional, accessioned.

End with accession


More information about accession

accession unscrambled

Scrabble and Words With Friends points

  • accession is a valid Scrabble US word, worth 13 points
  • accession is a valid Scrabble UK word, worth 13 points
  • accession is a valid Words With Friends word, worth 16 points
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