[1] : WordNet (r) 2.0

dispense with
     v 1: give up what is not strictly needed; "he asked if they could
          spare one of their horses to speed his journey" syn: spare,
           give up, part with
     2: do without or cease to hold or adhere to; "we are dispensing
        with formalities"; "relinquish the old ideas" syn: waive,
         relinquish, forgo, foreswear
     3: forgo; do or go without
see also:
spare give up part with waive relinquish forgo 
foreswear 

[2] : Moby Thesaurus II by Grady Ward, 1.0

60 moby thesaurus words for "dispense with":
   abandon, abjure, absolve, abstain, cede, discharge, disgorge,
   dispense from, dispose of, do without, drop, dump, except, excuse,
   exempt, forbear, forgo, forswear, free, get along without,
   get rid of, give away, give dispensation from, give up,
   grant immunity, have done with, hold back, hold off, keep back,
   keep in hand, kiss good-bye, let alone, let go, let off,
   make a sacrifice, not touch, not use, part with, quitclaim, recant,
   refrain, release, relinquish, remise, remit, render up, renounce,
   reserve, resign, retract, sacrifice, save, save the necessity,
   spare, surrender, swear off, throw up, vacate, waive, yield

Dispense >> D Words
Dispense, definition of term: Dispense
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