WordNet (r) 3.0 (2006):

send away
    v 1: stop associating with; "They dropped her after she had a
         child out of wedlock" [syn: dismiss, send packing,
         send away, drop]
    2: terminate the employment of; discharge from an office or
       position; "The boss fired his secretary today"; "The company
       terminated 25% of its workers" [syn: displace, fire,
       give notice, can, dismiss, give the axe, send away,
       sack, force out, give the sack, terminate] [ant:
       employ, engage, hire]

Moby Thesaurus II by Grady Ward, 1.0:

77 Moby Thesaurus words for "send away":
   air-express, airfreight, airmail, ban, banish, beat back,
   blackball, bow out, brush off, bundle, bundle off, cast out, chase,
   chase away, chase off, consign, cut, deport, disfellowship,
   dismiss, dispatch, drive away, drive back, drop a letter, embark,
   exclude, excommunicate, exile, expatriate, expedite, expel, export,
   express, extradite, fend off, forward, freight, fugitate,
   give the air, give the gate, hold off, hustle out, keep off, mail,
   ostracize, outlaw, pack off, post, proscribe, push back, put back,
   rebuff, refuse, relegate, remit, repel, repulse, rusticate, send,
   send down, send forth, send off, send packing, send to Coventry,
   ship, show the door, show the gate, snub, spurn, thrust back,
   thrust out, transmit, transport, turn away, turn back, turn off,
   ward off