1) Alienism 2) Curiousness 3) Foreignness 4) Strangeness 5) The legal status of an alien 6) The quality of being alien 7) The state of being an alien Found on https://www.crosswordclues.com/clue/alienage
Al'ien·age noun [ Confer Old French aliénage .] 1. The state or legal condition of being an alien. » The disabilities of alienage are removable by naturalization or by special license from the State of residence, and in some of the United States by declaration of intention ... Found on http://www.encyclo.co.uk/webster/A/55