Source : Webster's Revised Unabridged Dictionary (1913)

Postpone \Post*pone"\, v. t. [imp. & p. p. {Postponed}; p. pr. &
   vb. n. {Postponing}.] [L. postponere, postpositum; post after
   + ponere to place, put. See {Post-}, and {Position}.]
   1. To defer to a future or later time; to put off; also, to
      cause to be deferred or put off; to delay; to adjourn; as,
      to postpone the consideration of a bill to the following
      day, or indefinitely.

            His praise postponed, and never to be paid.
                                                  --Cowper.

   2. To place after, behind, or below something, in respect to
      precedence, preference, value, or importance.

            All other considerations should give way and be
            postponed to this.                    --Locke.

   Syn: To adjourn; defer; delay; procrastinate.

Source : WordNet®

postpone
     v : hold back to a later time; "let's postpone the exam" [syn: {prorogue},
          {hold over}, {put over}, {table}, {shelve}, {set back},
         {defer}, {remit}, {put off}]