Getting rid of something
discarding, riddance, dispatching, disposition, transference, transfer, demolition, dispensation, throwing away, dumping, junking*, scrapping*, transaction, sale, clearance, selling, auctioning, trading, vending, bartering, conveyance, sacrifice, reducing to clear, clearing out, making way for new stock, relinquishment, bestowal; see also destruction 1, distribution 1.
Antonyms collection*, accumulation, acquirement.