n.
1.making or becoming suitable
2.the act of making something different (as e.g. the size of a garment)
3.the act of adjusting something to match a standard
4.the process of adapting to something (such as environmental conditions)
5.an amount added or deducted on the basis of qualifying circumstances
Idiom of the Day
in single file
lined up, one behind the other
Everybody lined up in single file behind their leader.