WordNet (r) 3.0 (2006):

set apart
    v 1: select something or someone for a specific purpose; "The
         teacher assigned him to lead his classmates in the
         exercise" [syn: assign, specify, set apart]
    2: set apart from others; "The dentist sequesters the tooth he
       is working on" [syn: sequester, sequestrate, keep
       apart, set apart, isolate]

Moby Thesaurus II by Grady Ward, 1.0:

219 Moby Thesaurus words for "set apart":
   abrupt, abscind, alienate, allocate, allot, amputate, analyze,
   anatomize, annihilate, appoint, appropriate to, assign, assign to,
   atomize, ban, bar, be characteristic, beatify, bless, bob, bolt,
   canonize, cast off, cast out, change, characterize, chop logic,
   cleanse, clip, commit, consecrate, conserve, contradistinguish,
   cordon, cordon off, crop, cull, cull out, cut, cut adrift,
   cut away, cut off, cut out, dedicate, define, delete, demarcate,
   demark, depart, describe, destine, desynonymize, detail, devote,
   difference, differentiate, disarticulate, disconnect, discriminate,
   disengage, disequalize, disjoin, disjoint, dispart, dissociate,
   distinguish, disunite, diversify, divide, divorce, dock,
   draw the line, earmark, eject, eliminate, enshrine, enucleate,
   eradicate, estrange, exalt, except, excise, exclude, expel,
   extinguish, extirpate, fate, fence off, ghettoize, gin, glorify,
   hallow, hold back, husband, individualize, individuate, insulate,
   interspace, interval, isolate, keep, keep apart, keep aside,
   keep back, keep by one, keep in reserve, keep in store,
   keep on hand, keynote, knock off, lay aside, lay by, leave, lop,
   lot, make a distinction, make a space, make assignments, mark,
   mark off, mark out, mark out for, mark the interface, modify,
   mutilate, nip, ordain, panel, pare, part, particularize, partition,
   peel, personalize, pick out, portion off, preserve, prune,
   pull away, pull back, pull out, purify, put apart, put aside,
   put by, quarantine, refine a distinction, remove, reserve,
   restrict, restrict to, retain, riddle, root out, rule out, saint,
   sanctify, save, save up, schedule, screen, screen out, seclude,
   segregate, select, separate, sequester, set, set a limit,
   set aside, set at intervals, set by, set off, set the pace,
   set the tone, sever, severalize, shave, shear, shut off, sieve,
   sieve out, sift, sift out, sort, sort out, sound the keynote,
   space, space out, specialize, split, split hairs, stamp out,
   stand aloof, stand apart, stand aside, step aside, strike off,
   strip, strip off, subdivide, subtilize, subtract, tag, take off,
   take out, thrash, thresh, throw off, throw out, truncate, uncouple,
   unyoke, vary, wall off, winnow, wipe out, withdraw, withhold