Pronunciation: (fô'stur-ij, fos'tur-), [key]
1. the act of fostering or rearing another's child as one's own.
2. the condition of being a foster child.
3. an act of promoting or encouraging: The board will undertake the fosterage of our new project.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.