WordNet (r) 3.0 (2006):

sign over
    v 1: formally assign ownership of; "She signed away her rights"
         [syn: sign away, sign over]

Moby Thesaurus II by Grady Ward, 1.0:

39 Moby Thesaurus words for "sign over":
   abalienate, alien, alienate, amortize, assign, barter, bequeath,
   cede, confer, consign, convey, deed, deed over, deliver, demise,
   devolve upon, enfeoff, exchange, give, give title to, hand,
   hand down, hand on, hand over, make over, negotiate, pass, pass on,
   pass over, remise, sell, settle, settle on, sign away, surrender,
   trade, transfer, transmit, turn over