Noun : accession to the throne. ,an accession of territory. ,a list of accessions to the college library. ,accession to a demand.    From Dictionary.com. 

Over and above continuing and promoting those advantages which it formerly re - ceived from the hand of him who dressed it, would it not befriend and guard its accessional senses, appetites, and members too, supposing it had any?.    From Wordnik.com.  [Cicero's Five Books De Finibus: Or, Concerning the Last Object of Desire and Aversion] Reference

Wallace, Derham, and a number of German statistic, and physico-theological writers had taken the same ground, namely, that population increases in a geometrical, but the accessional nutriment only in arithmetical ratio -- and that vice and misery, the natural consequences of this order of things, were intended by providence as the counterpoise.    From Wordnik.com.  [Reminiscences of Samuel Taylor Coleridge and Robert Southey] Reference

Professor Wallace, Derham, and a number of German statistic and physico-theological writers had taken the same ground, namely, that population increases in a geometrical, but the accessional nutriment only in arithmetical ratio -- and that vice and misery, the natural consequences of this order of things, were intended by providence as the counterpoise.    From Wordnik.com.  [Biographia Epistolaris, Volume 1.] Reference

Professor Wallace, Derham, and a number of German statistic, and physico-theological writers had taken the same ground, namely, that population increases in a geometrical, but the accessional nutriment only in arithmetical ratio ” and that vice and misery, the natural consequences of this order of things, were intended by providence as the counterpoise.    From Wordnik.com.  [Reminiscences of Samuel Taylor Coleridge, and Robert Southey]