1. [adj]  joined together into a whole; "United Industries"; "the amalgamated colleges constituted a university"; "a consolidated school"
2. [v]  to bring or combine together or with something else; "resourcefully he mingled music and dance"

AMALGAMATE is a 10 letter word that starts with A.

1. \A*mal"ga*mate\, v. t. [imp. & p. p. {Amalgamated};
   p. pr. & vb. n. {Amalgamating}.]
   1. To compound or mix, as quicksilver, with another metal; to
      unite, combine, or alloy with mercury.
   2. To mix, so as to make a uniform compound; to unite or
      combine; as, to amalgamate two races; to amalgamate one
      race with another.
            Ingratitude is indeed their four cardinal virtues
            compacted and amalgamated into one.   --Burke.
   

2. \A*mal"ga*mate\, v. i.
   1. To unite in an amalgam; to blend with another metal, as
      quicksilver.
   2. To coalesce, as a result of growth; to combine into a
      uniform whole; to blend; as, two organs or parts
      amalgamate.
   

3. \A*mal"ga*mate\, Amalgamated \A*mal"ga*ma`ted\, a.
   Coalesced; united; combined.