We don't have synonyms for easterners yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are easterner, eastenders and fasteners.
(n) :
A native or inhabitant of the east of a region (or of the world as a whole), such as one of the eastern United States.
(n) :
Alternative letter-case form of easterner. [A native or inhabitant of the east of a region (or of the world as a whole), such as one of the eastern United States.]
(n) :
A native or inhabitant of the east of a region (or of the world as a whole), such as one of the eastern United States.
(n) :
Alternative letter-case form of easterner. [A native or inhabitant of the east of a region (or of the world as a whole), such as one of the eastern United States.]