The Collaborative International Dictionary of English v.0.48:

Thieve \Thieve\, v. t. & i. [imp. & p. p. Thieved; p. pr. &
   vb. n. Thieving.] [AS. ge[thorn]e['o]fian.]
   To practice theft; to steal.
   [1913 Webster]

WordNet (r) 3.0 (2006):

thieve
    v 1: take by theft; "Someone snitched my wallet!" [syn: hook,
         snitch, thieve, cop, knock off, glom]

Moby Thesaurus II by Grady Ward, 1.0:

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