passport

(n) any authorization to pass or go somewhere
- the pass to visit had a strict time limit
pass,
(n) a document issued by a country to a citizen allowing that person to travel abroad and re-enter the home country
(n) any quality or characteristic that gains a person a favorable reception or acceptance or admission
- her pleasant personality is already a recommendation
- his wealth was not a passport into the exclusive circles of society
recommendation,

pass recommendation