The act of increasing by natural growth; esp. the increase of organic bodies by the internal accession of parts; organic growth.
The act of increasing, or the matter added, by an accession of parts externally; an extraneous addition; as, an accretion of earth.
Concretion; coherence of separate particles; as, the accretion of particles so as to form a solid mass.
A growing together of parts naturally separate, as of the fingers toes.
The adhering of property to something else, by which the owner of one thing becomes possessed of a right to another; generally, gain of land by the washing up of sand or sail from the sea or a river, or by a gradual recession of the water from the usual watermark.
Gain to an heir or legatee, failure of a coheir to the same succession, or a co-legatee of the same thing, to take his share.
I think fiction isn't so good at being for or against things in general - the rhetorical argument a short story can make is only actualized by the accretion of particular details, and the specificity of these details renders whatever conclusions the story reaches invalid for wider application. George Saunders
As many people have chronicled, the decision to fight in Vietnam was a years-long accretion of step-by-step choices, each of which could be rationalized at the time. Invading Iraq was an unforced, unnecessary decision to risk everything on a 'war of choice' whose costs we are still paying. James Fallows