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

tie \tie\, v. t. imp.  p. p. tiedobs. tight; p. pr. 
   vb. n. tying. oe. ti?en, teyen, as. timacgan,
   ti'egan, fr. te'ag, te'ah, a rope; akin to icel. taug,
   and as. te'on to draw, to pull. see tug, v. t., and cf.
   tow to drag.
   1. to fasten with a band or cord and knot; to bind. "tie the
      kine to the cart." --1 sam. vi. 7.
      1913 webster

            my son, keep thy father's commandment, and forsake
            not the law of thy mother: bind them continually
            upon thine heart, and tie them about thy neck.
                                                  --prov. vi.
                                                  20,21.
      1913 webster

   2. to form, as a knot, by interlacing or complicating a cord;
      also, to interlace, or form a knot in; as, to tie a cord
      to a tree; to knit; to knot. "we do not tie this knot with
      an intention to puzzle the argument." --bp. burnet.
      1913 webster

   3. to unite firmly; to fasten; to hold.
      1913 webster

            in bond of virtuous love together tied. --fairfax.
      1913 webster

   4. to hold or constrain by authority or moral influence, as
      by knotted cords; to oblige; to constrain; to restrain; to
      confine.
      1913 webster

            not tied to rules of policy, you find
            revenge less sweet than a forgiving mind. --dryden.
      1913 webster

   5. mus. to unite, as notes, by a cross line, or by a curved
      line, or slur, drawn over or under them.
      1913 webster

   6. to make an equal score with, in a contest; to be even
      with.
      1913 webster

   to ride and tie. see under ride.

   to tie down.
      a to fasten so as to prevent from rising.
      b to restrain; to confine; to hinder from action.

   to tie up, to confine; to restrain; to hinder from motion
      or action.
      1913 webster
see also:
tied tight tying tug tow to ride and tie 
ride to tie down to tie up 

[2] : WordNet (r) 2.0

tied
     adj 1: bound or secured closely; "the guard was found trussed up
            with his arms and legs securely tied"; "a trussed
            chicken" syn: trussed
     2: bound together by or as if by a strong rope; especially as
        by a bond of affection; "people tied by blood or marriage"
     3: fastened with strings or cords; "a neatly tied bundle" syn:
         fastened ant: untied
     4: closed with a lace; "snugly laced shoes" syn: laced
        ant: unlaced
     5: of the score in a contest; "the score is tied" syn: tiedp,
         even, levelp
see also:
trussed fastened untied laced unlaced tiedp 
even levelp 

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

120 moby thesaurus words for "tied":
   affiliate, affiliated, aground, alike, allied, anchored, assembled,
   associate, associated, at par, au pair, banded together, beholden,
   beholden to, bound, bounden, bounden to, bracketed, caught,
   chained, collateral, collected, commensurate, committed, conjoined,
   conjugate, connected, copulate, correlated, coupled, drawn,
   duty-bound, equal, equalized, even, even stephen, fast, fastened,
   fettered, fifty-fifty, fixed, gathered, grounded, half-and-half,
   hampered, hand-in-glove, hand-in-hand, handcuffed, held,
   high and dry, impacted, implicated, in bonds, in chains,
   in duty bound, in irons, incorporated, indebted to, inextricable,
   integrated, interlinked, interlocked, interrelated, intimate,
   involved, ironbound, jammed, joined, knotted, leagued, level, like,
   linked, manacled, matched, mated, merged, moored, nip and tuck,
   obligate, obligated, obliged, obliged to, of that ilk,
   of that kind, on a footing, on a level, on a par, on even ground,
   packed, paired, par, parallel, pledged, proportionate, quits,
   related, saddled, shackled, spliced, square, stalemated, stranded,
   strapped, stuck, stuck fast, tethered, tied down, tied up,
   trammeled, transfixed, twinned, under obligation, undivided,
   united, unseparated, wed, wedded, wedged, yoked

Tied >> T Words
Tied, definition of term: Tied
tied_pag1.html

Tied Up >> T Words
Tied Up, definition of term: Tied Up
tied+up_pag1.html