raison d'êtrerai‧son d'être /ˌreɪzɒn ˈdetrə $ -zoʊn-/ noun [singular] 
the reason why something exists, why someone does something etc: 
Commerce was the town’s raison d'être.
the reason why something exists, why someone does something etc: Commerce was the town’s raison d'être.- Marxism-Leninism
- Marxist
- Marxist-Leninist
- Marx, Karl
- Mary
- Mary had a Little Lamb
- Mary II
- Mary I, Queen
- Maryland
- Mary Magdalene, Saint
- Mary, Mary, Quite Contrary
- Mary Poppins
- Mary Quant
- Mary Queen of Scots
- Mary Rose, The
- marzipan
- Masai
- masc.
- mascara
- mascot
- masculine
- masculinity
- Masefield, John
- maser
- Maserati