9 letters · 13 points in Scrabble
noun a process of increasing by addition (as to a collection or group)
noun (civil law) the right to all of that which your property produces whether by growth or improvement
noun something added to what you already have
originUltimately from Latin accessiō(n), from accēdō (English accede). Cognate to French accession. First attested in 1646.
Etymology from Wiktionary, CC BY-SA 3.0