[1] : The Collaborative International Dictionary of English v.0.48

sign \sign\, v. t. imp.  p. p. signed; p. pr.  vb. n.
   signing. oe. seinen to bless, originally, to make the
   sign of the cross over; in this sense fr. ass. segnian from
   segn, n., or of. seignier, f. signer, to mark, to sign in
   sense 3, fr. l. signare to mark, set a mark upon, from
   signum. see sign, n.
   1. to represent by a sign; to make known in a typical or
      emblematic manner, in distinction from speech; to signify.
      1913 webster

            i signed to browne to make his retreat. --sir w.
                                                  scott.
      1913 webster

   2. to make a sign upon; to mark with a sign.
      1913 webster

            we receive this child into the congregation of
            christ's flock, and do sign him with the sign of the
            cross.                                --bk. of com
                                                  prayer.
      1913 webster

   3. to affix a signature to; to ratify by hand or seal; to
      subscribe in one's own handwriting.
      1913 webster

            inquire the jew's house out, give him this deed,
            and let him sign it.                  --shak.
      1913 webster

   4. to assign or convey formally; -- used with away.
      1913 webster

   5. to mark; to make distinguishable. --shak.
      1913 webster
see also:
signed signing sign 

[2] : WordNet (r) 2.0

signed
     adj 1: having a handwritten signature; "a signed letter" ant: unsigned
     2: used of the language of the deaf syn: gestural, signa,
         sign-languagea
see also:
unsigned gestural signa sign-languagea 

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

37 moby thesaurus words for "signed":
   accepted, acknowledged, admitted, affirmed, agreed, allowed,
   approved, arranged, authenticated, avowed, certified, compacted,
   conceded, confessed, confirmed, contracted, countersigned,
   covenanted, endorsed, engaged, granted, notarized, professed,
   promised, ratified, received, recognized, sealed, settled, stamped,
   stipulated, sworn and affirmed, sworn to, undertaken, underwritten,
   validated, warranted

Signed >> S Words
Signed, definition of term: Signed
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