post·pone 
(pōst-pōn, pōs-pōn)
(pōst-pōn, pōs-pōn)tr.v. post·poned, post·pon·ing, post·pones
1. To cause or arrange for (an event) to take place at a time later than the time at which it was originally supposed to happen. See Synonyms at defer1.
2. To postpose.
[Latin postpōnere : post-, post- + pōnere, to put; see POST2.]
post·pona·ble adj.
post·ponement n.