The Collaborative International Dictionary of English v.0.48:

Together \To*geth"er\, adv. [OE. togedere, togidere, AS.
   t[=o]g[ae]dere, t[=o]g[ae]dre, t[=o]gadere; t[=o] to + gador
   together. [root]29. See To, prep., and Gather.]
   1. In company or association with respect to place or time;
      as, to live together in one house; to live together in the
      same age; they walked together to the town.
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            Soldiers can never stand idle long together.
                                                  --Landor.
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   2. In or into union; into junction; as, to sew, knit, or
      fasten two things together; to mix things together.
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            The king joined humanity and policy together.
                                                  --Bacon.
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   3. In concert; with mutual cooperation; as, the allies made
      war upon France together.
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   Together with, in union with; in company or mixture with;
      along with.
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            Take the bad together with the good.  --Dryden.
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WordNet (r) 3.0 (2006):

together with
    adv 1: in conjunction with; combined; "our salaries put together
           couldn't pay for the damage"; "we couldn't pay for the
           damages with all our salaries put together" [syn:
           jointly, collectively, conjointly, together with]