The Collaborative International Dictionary of English v.0.48:

Remunerate \Re*mu"ner*ate\ (-?t), v. t. [imp. & p. p.
   Remunerated (-?"t?d); p. pr. & vb. n. Remunerating.] [L.
   remuneratus, p. p. of remunerare, remunerari; pref. re- re- +
   munerare, munerari, to give, present, from munus, muneris, a
   gift, present. Cf. Munificent.]
   To pay an equivalent to for any service, loss, expense, or
   other sacrifice; to recompense; to requite; as, to remunerate
   men for labor.
   [1913 Webster]

   Syn: To reward; recompense; compensate; satisfy; requite;
        repay; pay; reimburse.
        [1913 Webster]

WordNet (r) 3.0 (2006):

remunerate
    v 1: make payment to; compensate; "My efforts were not
         remunerated" [syn: compensate, recompense,
         remunerate]

Moby Thesaurus II by Grady Ward, 1.0:

41 Moby Thesaurus words for "remunerate":
   accord, amend, award, compensate, correct, emend, fee,
   give satisfaction, grant, guerdon, indemnify, make all square,
   make good, make right, pay, pay by installments, pay on,
   pay reparations, prepay, put right, put straight, put to rights,
   recompense, rectify, redress, reimburse, remedy, remit, render,
   repay, requite, reward, right, salary, satisfy, set right,
   set straight, set to rights, set up, tender, vouchsafe