WordNet (r) 3.0 (2006):

take back
    v 1: bring back to the point of departure [syn: return, take
         back, bring back]
    2: regain possession of something [syn: take back,
       repossess]
    3: resume a relationship with someone after an interruption, as
       in a wife taking back her husband
    4: move text to the previous line; in printing
    5: take back what one has said; "He swallowed his words" [syn:
       swallow, take back, unsay, withdraw]
    6: cause someone to remember the past; "This photo takes me back
       to the good old days"

Moby Thesaurus II by Grady Ward, 1.0:

83 Moby Thesaurus words for "take back":
   abjure, apologize, ask forgiveness, assert the contrary, back down,
   back out, backwater, beg indulgence, beg pardon, belie, bring back,
   climb down, contest, contradict, contravene, controvert, counter,
   crawfish out, cross, deny, disaffirm, disallow, disavow, disclaim,
   disown, disprove, dispute, eat crow, eat humble pie,
   express regret, extradite, forswear, gainsay, get back, give back,
   impugn, join issue upon, not accept, not admit, nullify, oppose,
   palinode, put back, ransom, recall, recant, recapture, reclaim,
   recommit, recoup, recover, recuperate, redeem, refuse to admit,
   refute, regain, remand, remit, renege, renounce, renovate,
   reoccupy, repatriate, replace, replevin, replevy, repossess,
   repudiate, restitute, restore, resume, retake, retract, retrieve,
   return, revindicate, revive, revoke, send back, swallow,
   take issue with, unsay, withdraw