WordNet (r) 3.0 (2006):

file away
    v 1: place in a container for keeping records; "File these
         bills, please" [syn: file, file away]
    2: put into an archive [syn: archive, file away]

Moby Thesaurus II by Grady Ward, 1.0:

60 Moby Thesaurus words for "file away":
   abate, abrade, abstract, bank, bate, bundle away, cache, coffer,
   curtail, decrease, deduct, deposit, depreciate, derogate, detract,
   diminish, disparage, drain, eat away, erode, extract, file, hutch,
   impair, lay away, lay down, lay in, lay in store, leach, lessen,
   lodge, pack away, purify, put away, reduce, refine, remove,
   reposit, reservoir, retrench, rub away, salt away, salt down,
   shorten, stash, store, store away, stow, stow away, stow down,
   subduct, subtract, take away, take from, thin, thin out, warehouse,
   wear away, weed, withdraw