accession
6 synonyms and 8 antonyms for accession, grouped by meaning and by how common each one is.
Noun — The act of joining or agreeing to something.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Synonyms by Meaning
1. noun
The act of joining or agreeing to something.
“The country's accession to the treaty was celebrated in the capital.”
Opposites
2. noun
An increase made by adding something; the thing added.
“The company's accession of new land doubled the size of its farm.”
Opposites
Etymology
Ultimately comes from Latin accessiō(n), from accēdō (English accede); it is cognate to French accession. First attested in 1646.
Full origin of accession →