Dictionary
rai•son d'ê•tre
Pronunciation: (rā'zōn de'tru; Fr. re-zôn de'tru), [key]
—pl. rai•sons d'ê•trePronunciation: (rā'zōnz de'tru; Fr. re-zôn de'tru). [key]
reason or justification for being or existence:
Art is the artist's raison d'être. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.