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

add \add\, v. t. imp.  p. p. added; p. pr.  vb. n.
   adding. l. addere; ad + dare to give, put. cf. date,
   do.
   1. to give by way of increased possession to any one; to
      bestow on.
      1913 webster

            the lord shall add to me another son. --gen. xxx.
                                                  24.
      1913 webster

   2. to join or unite, as one thing to another, or as several
      particulars, so as to increase the number, augment the
      quantity, enlarge the magnitude, or so as to form into one
      aggregate. hence: to sum up; to put together mentally; as,
      to add numbers; to add up a column.
      1913 webster

            back to thy punishment,
            false fugitive, and to thy speed add wings.
                                                  --milton.
      1913 webster

            as easily as he can add together the ideas of two
            days or two years.                    --locke.
      1913 webster

   3. to append, as a statement; to say further.
      1913 webster

            he added that he would willingly consent to the
            entire abolition of the tax.          --macaulay.
      1913 webster

   syn: to add, join, annex, unite, coalesce.

   usage: we add by bringing things together so as to form a
          whole. we join by putting one thing to another in
          close or continuos connection. we annex by attaching
          some adjunct to a larger body. we unite by bringing
          things together so that their parts adhere or
          intermingle. things coalesce by coming together or
          mingling so as to form one organization. to add
          quantities; to join houses; to annex territory; to
          unite kingdoms; to make parties coalesce.
          1913 webster
see also:
added adding date do to add join 
annex unite coalesce add join 
annex unite coalesce 

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

add \add\, v. i.
   1. to make an addition. to add to, to augment; to increase;
      as, it adds to our anxiety. "i will add to your yoke." --1
      kings xii. 14.
      1913 webster

   2. to perform the arithmetical operation of addition; as, he
      adds rapidly.
      1913 webster

[3] : WordNet (r) 2.0

add
     n : a condition mostly in boys characterized by behavioral and
         learning disorders syn: attention deficit disorder, attention
         deficit hyperactivity disorder, adhd, hyperkinetic
         syndrome, minimal brain dysfunction, minimal brain
         damage, mbd
     v 1: make an addition to; join or combine or unite with others;
          increase the quality, quantity, zise or scope of; "we
          added two students to that dorm room"; "she added a
          personal note to her letter"; "add insult to injury";
          "add some extra plates to the dinner table" ant: take
          away
     2: state or say further; "`it doesn't matter,' he supplied"
        syn: append, supply
     3: bestow a quality on; "her presence lends a certain cachet to
        the company"; "the music added a lot to the play"; "she
        brings a special atmosphere to our meetings"; "this adds a
        light note to the program" syn: lend, impart, bestow,
         contribute, bring
     4: make an addition by combining numbers; "add 27 and 49,
        please" syn: add together ant: subtract
     5: determine the sum of; "add all the people in this town to
        those of the neighboring town" syn: total, tot, tot
        up, sum, sum up, summate, tote up, add together,
         tally, add up
     6: constitute an addition; "this paper will add to her
        reputation"
see also:
attention deficit disorder attention deficit hyperactivity disorder adhd hyperkinetic syndrome minimal brain dysfunction minimal brain damage 
mbd take away append supply lend 
impart bestow contribute bring add together 
subtract total tot tot up sum 
sum up summate tote up tally add up 

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

102 moby thesaurus words for "add":
   adjoin, affix, agglutinate, algebraize, amalgamate, annex, append,
   assimilate, attach, augment, blend, burden, calculate, cast,
   cipher, clutter, coalesce, combine, come together, complicate,
   compound, comprise, compute, conjoin, connect, consolidate, cumber,
   decorate, divide, dope out, embody, encompass, encumber, enlarge,
   estimate, extract roots, fasten, figure, figure in, figure out,
   flux, foot, fuse, glue on, hitch on, include, incorporate,
   increase, infix, integrate, interblend, interfuse, join, join with,
   lump together, make one, measure, meld, melt into one, merge, mix,
   multiply, ornament, paste on, plus, postfix, prefix, put together,
   put with, reckon, reembody, roll into one, saddle, saddle with,
   score, shade into, slap on, solidify, subjoin, subtract, suffix,
   sum, summate, superadd, superimpose, superpose, syncretize,
   syndicate, synthesize, tack on, tag, tag on, take account of,
   take on, tally, tot, total, tote, unify, unite, unite with,
   work out

[5] : Virtual Entity of Relevant Acronyms (Version 1.9, June 2002)

add
     adapter device driver os/2
     
     

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