The Collaborative International Dictionary of English v.0.48:

Termination \Ter`mi*na"tion\, n. [L. terminatio a bounding,
   fixing, determining: cf. F. terminasion, OF. also
   termination. See Term.]
   1. The act of terminating, or of limiting or setting bounds;
      the act of ending or concluding; as, a voluntary
      termination of hostilities.
      [1913 Webster]

   2. That which ends or bounds; limit in space or extent;
      bound; end; as, the termination of a line.
      [1913 Webster]

   3. End in time or existence; as, the termination of the year,
      or of life; the termination of happiness.
      [1913 Webster]

   4. End; conclusion; result. --Hallam.
      [1913 Webster]

   5. Last purpose of design. [R.]
      [1913 Webster]

   6. A word; a term. [R. & Obs.] --Shak.
      [1913 Webster]

   7. (Gram.) The ending of a word; a final syllable or letter;
      the part added to a stem in inflection.
      [1913 Webster]

WordNet (r) 3.0 (2006):

termination
    n 1: a coming to an end of a contract period; "the expiry of his
         driver's license" [syn: termination, expiration,
         expiry]
    2: a place where something ends or is complete [syn: end
       point, endpoint, termination, terminus]
    3: something that results; "he listened for the results on the
       radio" [syn: result, resultant, final result,
       outcome, termination]
    4: the end of a word (a suffix or inflectional ending or final
       morpheme); "I don't like words that have -ism as an ending"
       [syn: ending, termination]
    5: the act of ending something; "the termination of the
       agreement" [syn: termination, ending, conclusion]

Moby Thesaurus II by Grady Ward, 1.0:

93 Moby Thesaurus words for "termination":
   Z, abandonment, abortion, apodosis, bitter end, breakoff,
   catastrophe, cease, ceasing, cessation, climax, close, closing,
   coda, completing, completion, conclusion, consummation,
   crack of doom, culmination, curtain, curtains, death, decease,
   denouement, desinence, desistance, destination, destiny,
   discontinuance, discontinuation, doom, effect, end, end point,
   end result, ending, envoi, epilogue, eschatology, expiration, fate,
   final result, final solution, final twitch, final words, finale,
   finality, finis, finish, finishing, full development, goal, issue,
   izzard, last, last act, last breath, last gasp, last things,
   last trumpet, last words, latter end, maturation, maturity, omega,
   outcome, payoff, perfection, period, peroration, quietus,
   relinquishment, renunciation, resolution, resting place, result,
   ripeness, rounding off, rounding out, shutdown, stop, stoppage,
   stopping, stopping place, suffix, surcease, swan song, term,
   terminal, terminus, topping off, windup