n. The act of affixing, attaching, or appending; affixion.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the act of attaching or affixing something
n. formation of a word by means of an affix
n. the result of adding an affix to a root word
Word Usage
"[...] nonhuman animals may have the capacity to learn surface transformations involved in affixation, but they cannot link them to other aspects of linguistic structure."