con•grat•u•la•tionPronunciation: (kun-grach"u-lā'shun or, often, -graj"-, kung-), [key]
the act of congratulating.
an expression of joy in the success or good fortune of another.
(used to express joy in the success or good fortune of another): Congratulations! You have just won the lottery!
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.