The Collaborative International Dictionary
Exilic
Exilic \Ex*il"ic\, a.
Pertaining to exile or banishment, esp. to that of the Jews
in Babylon.
--Encyc. Dict.
Wiktionary
exilic
a. Of or pertaining to exile.
WordNet
exilic
adj. of or relating to a period of exile (especially the exile of the Jews known as the Babylonian Captivity)
Usage examples of "exilic".
Phonologically, the older accusatives finí and súlú could have produced Exilic Quenya fini and súlu, still remaining distinct from nominative finë, súlo but Tolkien appears to be telling us that the distinct accusative forms were abandoned altogether.