Source : Webster's Revised Unabridged Dictionary (1913)

Associate \As*so"ci*ate\, v. t. [imp. & p. p. {Associated}; p.
   pr. & vb. n. {Associating}.] [L. associatus, p. p. of
   associare; ad + sociare to join or unite, socius companion.
   See {Social}.]
   1. To join with one, as a friend, companion, partner, or
      confederate; as, to associate others with us in business,
      or in an enterprise.

   2. To join or connect; to combine in acting; as, particles of
      gold associated with other substances.

   3. To connect or place together in thought.

            He succeeded in associating his name inseparably
            with some names which will last as long as our
            language.                             --Macaulay.

   4. To accompany; to keep company with. [Obs.]

            Friends should associate friends in grief and woe.
                                                  --Shak.

Associated \As*so"ci*a`ted\, a.
   Joined as a companion; brought into association;
   accompanying; combined.

   {Associated movements} (Physiol.), consensual movements which
      accompany voluntary efforts without our consciousness.
      --Dunglison.

Source : WordNet®

associated
     adj 1: related to or accompanying; "Christmas and associated
            festivities" [syn: {connected}]
     2: joined in some kind of relationship (as a colleague or ally
        or companion etc.); "a cabal of associated lawyers"