WordNet (r) 3.0 (2006):

reach out
    v 1: move forward or upward in order to touch; also in a
         metaphorical sense; "Government reaches out to the people"
         [syn: reach, reach out]
    2: reach outward in space; "The awning extends several feet over
       the sidewalk" [syn: extend, poke out, reach out]
    3: attempt to communicate; "I try to reach out to my daughter
       but she doesn't want to have anything to do with me"

Moby Thesaurus II by Grady Ward, 1.0:

36 Moby Thesaurus words for "reach out":
   be lengthy, be prolonged, belong, carry, carry out, cover, crane,
   encompass, environ, extend, extend out, go, go out, hold, lie,
   outdistance, outlie, outrange, outreach, outstretch, range,
   range out, reach, run, span, sprawl, spread, stand on tiptoes,
   straddle, straggle, stretch, stretch out, surround, sweep, take in,
   thrust out