Dictionary.com
Thesaurus.com

laissez-passer

American  
[les-ey-pa-sey, le-sey-pah-sey] / ˈlɛs eɪ pæˈseɪ, lɛ seɪ pɑˈseɪ /

noun

plural

laissez-passers,

plural

laissez-passer
  1. a permit; pass, especially one issued in lieu of a passport.


laissez passer British  
/ lese pase /

noun

  1. a document granting unrestricted access or movement to its holder

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of laissez-passer

< French: literally, allow to pass