The Collaborative International Dictionary of English v.0.48:

Purloin \Pur*loin"\, v. t. [imp. & p. p. Purloined; p. pr. &
   vb. n. Purloining.] [OF. purloignier, porloignier, to
   retard, delay; pur, por, pour, for (L. pro) + loin far, far
   off (L. longe). See Prolong, and cf. Eloign.]
   To take or carry away for one's self; hence, to steal; to
   take by theft; to filch.
   [1913 Webster]

         Had from his wakeful custody purloined
         The guarded gold.                        --Milton.
   [1913 Webster]

         when did the muse from Fletcher scenes purloin ?
                                                  --Dryden.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Purloin \Pur*loin"\, v. i.
   To practice theft; to steal. --Titus ii. 10.
   [1913 Webster]

WordNet (r) 3.0 (2006):

purloin
    v 1: make off with belongings of others [syn: pilfer,
         cabbage, purloin, pinch, abstract, snarf,
         swipe, hook, sneak, filch, nobble, lift]

Moby Thesaurus II by Grady Ward, 1.0:

35 Moby Thesaurus words for "purloin":
   abstract, and, annex, appropriate, bag, boost, borrow, cabbage,
   cop, crib, defraud, embezzle, extort, filch, hook, lift,
   make off with, nip, palm, pilfer, pinch, poach, run away with,
   rustle, scrounge, shoplift, snare, snatch, snitch, steal, swindle,
   swipe, take, thieve, walk off with